Home / 18,283.28-25,202.76-14,920.16

Finding the Fourth Proportional to 18,283.28, 25,202.76 and 14,920.16

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Solution

The fourth proportional to 18,283.28, 25,202.76 and 14,920.16 is: 20,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.28 : 25,202.76 = 14,920.16 : x
  2. Step 2: Convert to fraction form
    18,283.28/25,202.76 = 14,920.16/x
  3. Step 3: Cross multiply
    18,283.28x = 25,202.76 × 14,920.16
  4. Step 4: Simplify right side
    18,283.28x = 376,029,211.64
  5. Step 5: Solve for x
    x = 376,029,211.64/18,283.28
  6. Step 6: Final answer
    x = 20,566.84

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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.