Home / 11,020.17-15,210.30-9,248.70

Finding the Fourth Proportional to 11,020.17, 15,210.30 and 9,248.70

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Solution

The fourth proportional to 11,020.17, 15,210.30 and 9,248.70 is: 12,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.17 : 15,210.30 = 9,248.70 : x
  2. Step 2: Convert to fraction form
    11,020.17/15,210.30 = 9,248.70/x
  3. Step 3: Cross multiply
    11,020.17x = 15,210.30 × 9,248.70
  4. Step 4: Simplify right side
    11,020.17x = 140,675,501.61
  5. Step 5: Solve for x
    x = 140,675,501.61/11,020.17
  6. Step 6: Final answer
    x = 12,765.28

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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.