Home / 14,000.13-20,989.76-6,600.38

Finding the Fourth Proportional to 14,000.13, 20,989.76 and 6,600.38

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Solution

The fourth proportional to 14,000.13, 20,989.76 and 6,600.38 is: 9,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.13 : 20,989.76 = 6,600.38 : x
  2. Step 2: Convert to fraction form
    14,000.13/20,989.76 = 6,600.38/x
  3. Step 3: Cross multiply
    14,000.13x = 20,989.76 × 6,600.38
  4. Step 4: Simplify right side
    14,000.13x = 138,540,254.16
  5. Step 5: Solve for x
    x = 138,540,254.16/14,000.13
  6. Step 6: Final answer
    x = 9,895.64

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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.