Home / 12,402.32-18,604.08-5,005.85

Finding the Fourth Proportional to 12,402.32, 18,604.08 and 5,005.85

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Solution

The fourth proportional to 12,402.32, 18,604.08 and 5,005.85 is: 7,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.32 : 18,604.08 = 5,005.85 : x
  2. Step 2: Convert to fraction form
    12,402.32/18,604.08 = 5,005.85/x
  3. Step 3: Cross multiply
    12,402.32x = 18,604.08 × 5,005.85
  4. Step 4: Simplify right side
    12,402.32x = 93,129,245.50
  5. Step 5: Solve for x
    x = 93,129,245.50/12,402.32
  6. Step 6: Final answer
    x = 7,509.02

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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.