Home / 10,397.22-15,597.36-5,132.40

Finding the Fourth Proportional to 10,397.22, 15,597.36 and 5,132.40

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Solution

The fourth proportional to 10,397.22, 15,597.36 and 5,132.40 is: 7,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.22 : 15,597.36 = 5,132.40 : x
  2. Step 2: Convert to fraction form
    10,397.22/15,597.36 = 5,132.40/x
  3. Step 3: Cross multiply
    10,397.22x = 15,597.36 × 5,132.40
  4. Step 4: Simplify right side
    10,397.22x = 80,051,890.46
  5. Step 5: Solve for x
    x = 80,051,890.46/10,397.22
  6. Step 6: Final answer
    x = 7,699.36

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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.