Home / 20,064.08-30,102.96-7,587.70

Finding the Fourth Proportional to 20,064.08, 30,102.96 and 7,587.70

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Solution

The fourth proportional to 20,064.08, 30,102.96 and 7,587.70 is: 11,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.08 : 30,102.96 = 7,587.70 : x
  2. Step 2: Convert to fraction form
    20,064.08/30,102.96 = 7,587.70/x
  3. Step 3: Cross multiply
    20,064.08x = 30,102.96 × 7,587.70
  4. Step 4: Simplify right side
    20,064.08x = 228,412,229.59
  5. Step 5: Solve for x
    x = 228,412,229.59/20,064.08
  6. Step 6: Final answer
    x = 11,384.14

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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.