Home / 10,929.02-15,073.22-7,342.89

Finding the Fourth Proportional to 10,929.02, 15,073.22 and 7,342.89

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Solution

The fourth proportional to 10,929.02, 15,073.22 and 7,342.89 is: 10,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.02 : 15,073.22 = 7,342.89 : x
  2. Step 2: Convert to fraction form
    10,929.02/15,073.22 = 7,342.89/x
  3. Step 3: Cross multiply
    10,929.02x = 15,073.22 × 7,342.89
  4. Step 4: Simplify right side
    10,929.02x = 110,680,959.69
  5. Step 5: Solve for x
    x = 110,680,959.69/10,929.02
  6. Step 6: Final answer
    x = 10,127.26

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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.