Home / 20,374.96-30,507.56-13,337.52

Finding the Fourth Proportional to 20,374.96, 30,507.56 and 13,337.52

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Solution

The fourth proportional to 20,374.96, 30,507.56 and 13,337.52 is: 19,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.96 : 30,507.56 = 13,337.52 : x
  2. Step 2: Convert to fraction form
    20,374.96/30,507.56 = 13,337.52/x
  3. Step 3: Cross multiply
    20,374.96x = 30,507.56 × 13,337.52
  4. Step 4: Simplify right side
    20,374.96x = 406,895,191.65
  5. Step 5: Solve for x
    x = 406,895,191.65/20,374.96
  6. Step 6: Final answer
    x = 19,970.36

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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.