Home / 14,780.52-20,389.05-9,469.35

Finding the Fourth Proportional to 14,780.52, 20,389.05 and 9,469.35

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Solution

The fourth proportional to 14,780.52, 20,389.05 and 9,469.35 is: 13,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.52 : 20,389.05 = 9,469.35 : x
  2. Step 2: Convert to fraction form
    14,780.52/20,389.05 = 9,469.35/x
  3. Step 3: Cross multiply
    14,780.52x = 20,389.05 × 9,469.35
  4. Step 4: Simplify right side
    14,780.52x = 193,071,050.62
  5. Step 5: Solve for x
    x = 193,071,050.62/14,780.52
  6. Step 6: Final answer
    x = 13,062.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.