Home / 15,451.36-23,119.62-9,214.76

Finding the Fourth Proportional to 15,451.36, 23,119.62 and 9,214.76

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Solution

The fourth proportional to 15,451.36, 23,119.62 and 9,214.76 is: 13,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.36 : 23,119.62 = 9,214.76 : x
  2. Step 2: Convert to fraction form
    15,451.36/23,119.62 = 9,214.76/x
  3. Step 3: Cross multiply
    15,451.36x = 23,119.62 × 9,214.76
  4. Step 4: Simplify right side
    15,451.36x = 213,041,841.95
  5. Step 5: Solve for x
    x = 213,041,841.95/15,451.36
  6. Step 6: Final answer
    x = 13,787.90

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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.