Home / 12,659.07-18,990.96-6,337.29

Finding the Fourth Proportional to 12,659.07, 18,990.96 and 6,337.29

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Solution

The fourth proportional to 12,659.07, 18,990.96 and 6,337.29 is: 9,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.07 : 18,990.96 = 6,337.29 : x
  2. Step 2: Convert to fraction form
    12,659.07/18,990.96 = 6,337.29/x
  3. Step 3: Cross multiply
    12,659.07x = 18,990.96 × 6,337.29
  4. Step 4: Simplify right side
    12,659.07x = 120,351,220.90
  5. Step 5: Solve for x
    x = 120,351,220.90/12,659.07
  6. Step 6: Final answer
    x = 9,507.11

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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.