Home / 11,553.20-15,943.49-6,518.76

Finding the Fourth Proportional to 11,553.20, 15,943.49 and 6,518.76

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Solution

The fourth proportional to 11,553.20, 15,943.49 and 6,518.76 is: 8,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.20 : 15,943.49 = 6,518.76 : x
  2. Step 2: Convert to fraction form
    11,553.20/15,943.49 = 6,518.76/x
  3. Step 3: Cross multiply
    11,553.20x = 15,943.49 × 6,518.76
  4. Step 4: Simplify right side
    11,553.20x = 103,931,752.28
  5. Step 5: Solve for x
    x = 103,931,752.28/11,553.20
  6. Step 6: Final answer
    x = 8,995.93

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Half scale
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Double scale
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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.