Home / 19,331.85-26,677.85-10,947.81

Finding the Fourth Proportional to 19,331.85, 26,677.85 and 10,947.81

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Solution

The fourth proportional to 19,331.85, 26,677.85 and 10,947.81 is: 15,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.85 : 26,677.85 = 10,947.81 : x
  2. Step 2: Convert to fraction form
    19,331.85/26,677.85 = 10,947.81/x
  3. Step 3: Cross multiply
    19,331.85x = 26,677.85 × 10,947.81
  4. Step 4: Simplify right side
    19,331.85x = 292,063,978.27
  5. Step 5: Solve for x
    x = 292,063,978.27/19,331.85
  6. Step 6: Final answer
    x = 15,107.92

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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.