Home / 11,269.61-15,552.65-6,490.28

Finding the Fourth Proportional to 11,269.61, 15,552.65 and 6,490.28

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Solution

The fourth proportional to 11,269.61, 15,552.65 and 6,490.28 is: 8,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.61 : 15,552.65 = 6,490.28 : x
  2. Step 2: Convert to fraction form
    11,269.61/15,552.65 = 6,490.28/x
  3. Step 3: Cross multiply
    11,269.61x = 15,552.65 × 6,490.28
  4. Step 4: Simplify right side
    11,269.61x = 100,940,943.03
  5. Step 5: Solve for x
    x = 100,940,943.03/11,269.61
  6. Step 6: Final answer
    x = 8,956.92

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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.