Home / 14,425.04-19,909.76-9,380.48

Finding the Fourth Proportional to 14,425.04, 19,909.76 and 9,380.48

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Solution

The fourth proportional to 14,425.04, 19,909.76 and 9,380.48 is: 12,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.04 : 19,909.76 = 9,380.48 : x
  2. Step 2: Convert to fraction form
    14,425.04/19,909.76 = 9,380.48/x
  3. Step 3: Cross multiply
    14,425.04x = 19,909.76 × 9,380.48
  4. Step 4: Simplify right side
    14,425.04x = 186,763,105.48
  5. Step 5: Solve for x
    x = 186,763,105.48/14,425.04
  6. Step 6: Final answer
    x = 12,947.15

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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.