Home / 9,911.13-13,672.30-7,549.17

Finding the Fourth Proportional to 9,911.13, 13,672.30 and 7,549.17

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Solution

The fourth proportional to 9,911.13, 13,672.30 and 7,549.17 is: 10,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.13 : 13,672.30 = 7,549.17 : x
  2. Step 2: Convert to fraction form
    9,911.13/13,672.30 = 7,549.17/x
  3. Step 3: Cross multiply
    9,911.13x = 13,672.30 × 7,549.17
  4. Step 4: Simplify right side
    9,911.13x = 103,214,516.99
  5. Step 5: Solve for x
    x = 103,214,516.99/9,911.13
  6. Step 6: Final answer
    x = 10,414.00

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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.