Home / 15,400.59-21,252.82-8,327.01

Finding the Fourth Proportional to 15,400.59, 21,252.82 and 8,327.01

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Solution

The fourth proportional to 15,400.59, 21,252.82 and 8,327.01 is: 11,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.59 : 21,252.82 = 8,327.01 : x
  2. Step 2: Convert to fraction form
    15,400.59/21,252.82 = 8,327.01/x
  3. Step 3: Cross multiply
    15,400.59x = 21,252.82 × 8,327.01
  4. Step 4: Simplify right side
    15,400.59x = 176,972,359.22
  5. Step 5: Solve for x
    x = 176,972,359.22/15,400.59
  6. Step 6: Final answer
    x = 11,491.27

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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.