Home / 11,270.30-15,508.17-10,927.90

Finding the Fourth Proportional to 11,270.30, 15,508.17 and 10,927.90

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Solution

The fourth proportional to 11,270.30, 15,508.17 and 10,927.90 is: 15,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.30 : 15,508.17 = 10,927.90 : x
  2. Step 2: Convert to fraction form
    11,270.30/15,508.17 = 10,927.90/x
  3. Step 3: Cross multiply
    11,270.30x = 15,508.17 × 10,927.90
  4. Step 4: Simplify right side
    11,270.30x = 169,471,653.40
  5. Step 5: Solve for x
    x = 169,471,653.40/11,270.30
  6. Step 6: Final answer
    x = 15,037.01

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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.