Home / 10,547.20-14,555.10-5,831.38

Finding the Fourth Proportional to 10,547.20, 14,555.10 and 5,831.38

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Solution

The fourth proportional to 10,547.20, 14,555.10 and 5,831.38 is: 8,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.20 : 14,555.10 = 5,831.38 : x
  2. Step 2: Convert to fraction form
    10,547.20/14,555.10 = 5,831.38/x
  3. Step 3: Cross multiply
    10,547.20x = 14,555.10 × 5,831.38
  4. Step 4: Simplify right side
    10,547.20x = 84,876,319.04
  5. Step 5: Solve for x
    x = 84,876,319.04/10,547.20
  6. Step 6: Final answer
    x = 8,047.28

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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.