Home / 19,686.30-27,167.13-10,733.87

Finding the Fourth Proportional to 19,686.30, 27,167.13 and 10,733.87

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Solution

The fourth proportional to 19,686.30, 27,167.13 and 10,733.87 is: 14,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.30 : 27,167.13 = 10,733.87 : x
  2. Step 2: Convert to fraction form
    19,686.30/27,167.13 = 10,733.87/x
  3. Step 3: Cross multiply
    19,686.30x = 27,167.13 × 10,733.87
  4. Step 4: Simplify right side
    19,686.30x = 291,608,305.86
  5. Step 5: Solve for x
    x = 291,608,305.86/19,686.30
  6. Step 6: Final answer
    x = 14,812.75

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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.