Home / 15,498.50-23,332.10-14,120.69

Finding the Fourth Proportional to 15,498.50, 23,332.10 and 14,120.69

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Solution

The fourth proportional to 15,498.50, 23,332.10 and 14,120.69 is: 21,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.50 : 23,332.10 = 14,120.69 : x
  2. Step 2: Convert to fraction form
    15,498.50/23,332.10 = 14,120.69/x
  3. Step 3: Cross multiply
    15,498.50x = 23,332.10 × 14,120.69
  4. Step 4: Simplify right side
    15,498.50x = 329,465,351.15
  5. Step 5: Solve for x
    x = 329,465,351.15/15,498.50
  6. Step 6: Final answer
    x = 21,257.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.