Home / 10,507.02-15,761.28-3,486.72

Finding the Fourth Proportional to 10,507.02, 15,761.28 and 3,486.72

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Solution

The fourth proportional to 10,507.02, 15,761.28 and 3,486.72 is: 5,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.02 : 15,761.28 = 3,486.72 : x
  2. Step 2: Convert to fraction form
    10,507.02/15,761.28 = 3,486.72/x
  3. Step 3: Cross multiply
    10,507.02x = 15,761.28 × 3,486.72
  4. Step 4: Simplify right side
    10,507.02x = 54,955,170.20
  5. Step 5: Solve for x
    x = 54,955,170.20/10,507.02
  6. Step 6: Final answer
    x = 5,230.33

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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.