Home / 12,407.53-18,704.29-11,582.68

Finding the Fourth Proportional to 12,407.53, 18,704.29 and 11,582.68

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Solution

The fourth proportional to 12,407.53, 18,704.29 and 11,582.68 is: 17,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.53 : 18,704.29 = 11,582.68 : x
  2. Step 2: Convert to fraction form
    12,407.53/18,704.29 = 11,582.68/x
  3. Step 3: Cross multiply
    12,407.53x = 18,704.29 × 11,582.68
  4. Step 4: Simplify right side
    12,407.53x = 216,645,805.70
  5. Step 5: Solve for x
    x = 216,645,805.70/12,407.53
  6. Step 6: Final answer
    x = 17,460.83

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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.