Home / 20,724.02-31,067.56-9,624.66

Finding the Fourth Proportional to 20,724.02, 31,067.56 and 9,624.66

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Solution

The fourth proportional to 20,724.02, 31,067.56 and 9,624.66 is: 14,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.02 : 31,067.56 = 9,624.66 : x
  2. Step 2: Convert to fraction form
    20,724.02/31,067.56 = 9,624.66/x
  3. Step 3: Cross multiply
    20,724.02x = 31,067.56 × 9,624.66
  4. Step 4: Simplify right side
    20,724.02x = 299,014,546.69
  5. Step 5: Solve for x
    x = 299,014,546.69/20,724.02
  6. Step 6: Final answer
    x = 14,428.41

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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.