Home / 13,306.10-20,002.35-9,437.30

Finding the Fourth Proportional to 13,306.10, 20,002.35 and 9,437.30

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Solution

The fourth proportional to 13,306.10, 20,002.35 and 9,437.30 is: 14,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.10 : 20,002.35 = 9,437.30 : x
  2. Step 2: Convert to fraction form
    13,306.10/20,002.35 = 9,437.30/x
  3. Step 3: Cross multiply
    13,306.10x = 20,002.35 × 9,437.30
  4. Step 4: Simplify right side
    13,306.10x = 188,768,177.66
  5. Step 5: Solve for x
    x = 188,768,177.66/13,306.10
  6. Step 6: Final answer
    x = 14,186.59

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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.