Home / 10,985.32-15,155.52-6,267.10

Finding the Fourth Proportional to 10,985.32, 15,155.52 and 6,267.10

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Solution

The fourth proportional to 10,985.32, 15,155.52 and 6,267.10 is: 8,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.32 : 15,155.52 = 6,267.10 : x
  2. Step 2: Convert to fraction form
    10,985.32/15,155.52 = 6,267.10/x
  3. Step 3: Cross multiply
    10,985.32x = 15,155.52 × 6,267.10
  4. Step 4: Simplify right side
    10,985.32x = 94,981,159.39
  5. Step 5: Solve for x
    x = 94,981,159.39/10,985.32
  6. Step 6: Final answer
    x = 8,646.19

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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.