Home / 10,531.04-14,532.92-5,815.32

Finding the Fourth Proportional to 10,531.04, 14,532.92 and 5,815.32

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Solution

The fourth proportional to 10,531.04, 14,532.92 and 5,815.32 is: 8,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.04 : 14,532.92 = 5,815.32 : x
  2. Step 2: Convert to fraction form
    10,531.04/14,532.92 = 5,815.32/x
  3. Step 3: Cross multiply
    10,531.04x = 14,532.92 × 5,815.32
  4. Step 4: Simplify right side
    10,531.04x = 84,513,580.33
  5. Step 5: Solve for x
    x = 84,513,580.33/10,531.04
  6. Step 6: Final answer
    x = 8,025.19

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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.