Home / 10,983.70-16,475.55-7,290.10

Finding the Fourth Proportional to 10,983.70, 16,475.55 and 7,290.10

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Solution

The fourth proportional to 10,983.70, 16,475.55 and 7,290.10 is: 10,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.70 : 16,475.55 = 7,290.10 : x
  2. Step 2: Convert to fraction form
    10,983.70/16,475.55 = 7,290.10/x
  3. Step 3: Cross multiply
    10,983.70x = 16,475.55 × 7,290.10
  4. Step 4: Simplify right side
    10,983.70x = 120,108,407.06
  5. Step 5: Solve for x
    x = 120,108,407.06/10,983.70
  6. Step 6: Final answer
    x = 10,935.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.