Home / 15,504.78-23,243.40-5,642.22

Finding the Fourth Proportional to 15,504.78, 23,243.40 and 5,642.22

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Solution

The fourth proportional to 15,504.78, 23,243.40 and 5,642.22 is: 8,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.78 : 23,243.40 = 5,642.22 : x
  2. Step 2: Convert to fraction form
    15,504.78/23,243.40 = 5,642.22/x
  3. Step 3: Cross multiply
    15,504.78x = 23,243.40 × 5,642.22
  4. Step 4: Simplify right side
    15,504.78x = 131,144,376.35
  5. Step 5: Solve for x
    x = 131,144,376.35/15,504.78
  6. Step 6: Final answer
    x = 8,458.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.