Home / 14,910.90-22,338.24-12,461.46

Finding the Fourth Proportional to 14,910.90, 22,338.24 and 12,461.46

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Solution

The fourth proportional to 14,910.90, 22,338.24 and 12,461.46 is: 18,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.90 : 22,338.24 = 12,461.46 : x
  2. Step 2: Convert to fraction form
    14,910.90/22,338.24 = 12,461.46/x
  3. Step 3: Cross multiply
    14,910.90x = 22,338.24 × 12,461.46
  4. Step 4: Simplify right side
    14,910.90x = 278,367,084.23
  5. Step 5: Solve for x
    x = 278,367,084.23/14,910.90
  6. Step 6: Final answer
    x = 18,668.70

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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.