Home / 21,663.18-32,436.07-11,253.06

Finding the Fourth Proportional to 21,663.18, 32,436.07 and 11,253.06

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Solution

The fourth proportional to 21,663.18, 32,436.07 and 11,253.06 is: 16,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.18 : 32,436.07 = 11,253.06 : x
  2. Step 2: Convert to fraction form
    21,663.18/32,436.07 = 11,253.06/x
  3. Step 3: Cross multiply
    21,663.18x = 32,436.07 × 11,253.06
  4. Step 4: Simplify right side
    21,663.18x = 365,005,013.74
  5. Step 5: Solve for x
    x = 365,005,013.74/21,663.18
  6. Step 6: Final answer
    x = 16,849.10

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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.