Home / 19,885.74-29,793.50-10,505.03

Finding the Fourth Proportional to 19,885.74, 29,793.50 and 10,505.03

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Solution

The fourth proportional to 19,885.74, 29,793.50 and 10,505.03 is: 15,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.74 : 29,793.50 = 10,505.03 : x
  2. Step 2: Convert to fraction form
    19,885.74/29,793.50 = 10,505.03/x
  3. Step 3: Cross multiply
    19,885.74x = 29,793.50 × 10,505.03
  4. Step 4: Simplify right side
    19,885.74x = 312,981,611.31
  5. Step 5: Solve for x
    x = 312,981,611.31/19,885.74
  6. Step 6: Final answer
    x = 15,739.00

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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.