Home / 12,282.60-18,402.30-10,079.40

Finding the Fourth Proportional to 12,282.60, 18,402.30 and 10,079.40

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Solution

The fourth proportional to 12,282.60, 18,402.30 and 10,079.40 is: 15,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.60 : 18,402.30 = 10,079.40 : x
  2. Step 2: Convert to fraction form
    12,282.60/18,402.30 = 10,079.40/x
  3. Step 3: Cross multiply
    12,282.60x = 18,402.30 × 10,079.40
  4. Step 4: Simplify right side
    12,282.60x = 185,484,142.62
  5. Step 5: Solve for x
    x = 185,484,142.62/12,282.60
  6. Step 6: Final answer
    x = 15,101.37

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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.