Home / 13,270.59-19,909.13-4,505.58

Finding the Fourth Proportional to 13,270.59, 19,909.13 and 4,505.58

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Solution

The fourth proportional to 13,270.59, 19,909.13 and 4,505.58 is: 6,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.59 : 19,909.13 = 4,505.58 : x
  2. Step 2: Convert to fraction form
    13,270.59/19,909.13 = 4,505.58/x
  3. Step 3: Cross multiply
    13,270.59x = 19,909.13 × 4,505.58
  4. Step 4: Simplify right side
    13,270.59x = 89,702,155.42
  5. Step 5: Solve for x
    x = 89,702,155.42/13,270.59
  6. Step 6: Final answer
    x = 6,759.47

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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.