Home / 14,144.22-21,209.04-9,708.66

Finding the Fourth Proportional to 14,144.22, 21,209.04 and 9,708.66

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Solution

The fourth proportional to 14,144.22, 21,209.04 and 9,708.66 is: 14,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.22 : 21,209.04 = 9,708.66 : x
  2. Step 2: Convert to fraction form
    14,144.22/21,209.04 = 9,708.66/x
  3. Step 3: Cross multiply
    14,144.22x = 21,209.04 × 9,708.66
  4. Step 4: Simplify right side
    14,144.22x = 205,911,358.29
  5. Step 5: Solve for x
    x = 205,911,358.29/14,144.22
  6. Step 6: Final answer
    x = 14,557.99

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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.