Home / 14,003.01-21,000.87-6,605.52

Finding the Fourth Proportional to 14,003.01, 21,000.87 and 6,605.52

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Solution

The fourth proportional to 14,003.01, 21,000.87 and 6,605.52 is: 9,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.01 : 21,000.87 = 6,605.52 : x
  2. Step 2: Convert to fraction form
    14,003.01/21,000.87 = 6,605.52/x
  3. Step 3: Cross multiply
    14,003.01x = 21,000.87 × 6,605.52
  4. Step 4: Simplify right side
    14,003.01x = 138,721,666.80
  5. Step 5: Solve for x
    x = 138,721,666.80/14,003.01
  6. Step 6: Final answer
    x = 9,906.56

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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.