Home / 15,544.73-21,451.11-8,471.00

Finding the Fourth Proportional to 15,544.73, 21,451.11 and 8,471.00

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Solution

The fourth proportional to 15,544.73, 21,451.11 and 8,471.00 is: 11,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.73 : 21,451.11 = 8,471.00 : x
  2. Step 2: Convert to fraction form
    15,544.73/21,451.11 = 8,471.00/x
  3. Step 3: Cross multiply
    15,544.73x = 21,451.11 × 8,471.00
  4. Step 4: Simplify right side
    15,544.73x = 181,712,374.67
  5. Step 5: Solve for x
    x = 181,712,374.67/15,544.73
  6. Step 6: Final answer
    x = 11,689.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.