Home / 10,291.32-15,337.95-10,205.52

Finding the Fourth Proportional to 10,291.32, 15,337.95 and 10,205.52

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Solution

The fourth proportional to 10,291.32, 15,337.95 and 10,205.52 is: 15,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.32 : 15,337.95 = 10,205.52 : x
  2. Step 2: Convert to fraction form
    10,291.32/15,337.95 = 10,205.52/x
  3. Step 3: Cross multiply
    10,291.32x = 15,337.95 × 10,205.52
  4. Step 4: Simplify right side
    10,291.32x = 156,531,755.48
  5. Step 5: Solve for x
    x = 156,531,755.48/10,291.32
  6. Step 6: Final answer
    x = 15,210.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.