Home / 11,008.71-15,197.19-7,380.93

Finding the Fourth Proportional to 11,008.71, 15,197.19 and 7,380.93

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Solution

The fourth proportional to 11,008.71, 15,197.19 and 7,380.93 is: 10,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.71 : 15,197.19 = 7,380.93 : x
  2. Step 2: Convert to fraction form
    11,008.71/15,197.19 = 7,380.93/x
  3. Step 3: Cross multiply
    11,008.71x = 15,197.19 × 7,380.93
  4. Step 4: Simplify right side
    11,008.71x = 112,169,395.59
  5. Step 5: Solve for x
    x = 112,169,395.59/11,008.71
  6. Step 6: Final answer
    x = 10,189.15

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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.