Home / 14,304.30-21,456.45-9,638.70

Finding the Fourth Proportional to 14,304.30, 21,456.45 and 9,638.70

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Solution

The fourth proportional to 14,304.30, 21,456.45 and 9,638.70 is: 14,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.30 : 21,456.45 = 9,638.70 : x
  2. Step 2: Convert to fraction form
    14,304.30/21,456.45 = 9,638.70/x
  3. Step 3: Cross multiply
    14,304.30x = 21,456.45 × 9,638.70
  4. Step 4: Simplify right side
    14,304.30x = 206,812,284.62
  5. Step 5: Solve for x
    x = 206,812,284.62/14,304.30
  6. Step 6: Final answer
    x = 14,458.05

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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.