Home / 19,375.80-29,039.28-10,490.76

Finding the Fourth Proportional to 19,375.80, 29,039.28 and 10,490.76

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Solution

The fourth proportional to 19,375.80, 29,039.28 and 10,490.76 is: 15,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.80 : 29,039.28 = 10,490.76 : x
  2. Step 2: Convert to fraction form
    19,375.80/29,039.28 = 10,490.76/x
  3. Step 3: Cross multiply
    19,375.80x = 29,039.28 × 10,490.76
  4. Step 4: Simplify right side
    19,375.80x = 304,644,117.05
  5. Step 5: Solve for x
    x = 304,644,117.05/19,375.80
  6. Step 6: Final answer
    x = 15,722.92

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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.