Home / 10,513.92-15,770.54-4,272.08

Finding the Fourth Proportional to 10,513.92, 15,770.54 and 4,272.08

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Solution

The fourth proportional to 10,513.92, 15,770.54 and 4,272.08 is: 6,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.92 : 15,770.54 = 4,272.08 : x
  2. Step 2: Convert to fraction form
    10,513.92/15,770.54 = 4,272.08/x
  3. Step 3: Cross multiply
    10,513.92x = 15,770.54 × 4,272.08
  4. Step 4: Simplify right side
    10,513.92x = 67,373,008.52
  5. Step 5: Solve for x
    x = 67,373,008.52/10,513.92
  6. Step 6: Final answer
    x = 6,407.98

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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.