Home / 18,435.46-25,442.76-10,884.28

Finding the Fourth Proportional to 18,435.46, 25,442.76 and 10,884.28

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Solution

The fourth proportional to 18,435.46, 25,442.76 and 10,884.28 is: 15,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.46 : 25,442.76 = 10,884.28 : x
  2. Step 2: Convert to fraction form
    18,435.46/25,442.76 = 10,884.28/x
  3. Step 3: Cross multiply
    18,435.46x = 25,442.76 × 10,884.28
  4. Step 4: Simplify right side
    18,435.46x = 276,926,123.81
  5. Step 5: Solve for x
    x = 276,926,123.81/18,435.46
  6. Step 6: Final answer
    x = 15,021.38

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Find fourth proportional to 9,217.73, 12,721.38 and 5,442.14
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.