Home / 20,015.14-30,006.51-8,337.10

Finding the Fourth Proportional to 20,015.14, 30,006.51 and 8,337.10

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Solution

The fourth proportional to 20,015.14, 30,006.51 and 8,337.10 is: 12,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.14 : 30,006.51 = 8,337.10 : x
  2. Step 2: Convert to fraction form
    20,015.14/30,006.51 = 8,337.10/x
  3. Step 3: Cross multiply
    20,015.14x = 30,006.51 × 8,337.10
  4. Step 4: Simplify right side
    20,015.14x = 250,167,274.52
  5. Step 5: Solve for x
    x = 250,167,274.52/20,015.14
  6. Step 6: Final answer
    x = 12,498.90

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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.