Home / 16,266.88-22,445.40-9,891.64

Finding the Fourth Proportional to 16,266.88, 22,445.40 and 9,891.64

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Solution

The fourth proportional to 16,266.88, 22,445.40 and 9,891.64 is: 13,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,266.88 : 22,445.40 = 9,891.64 : x
  2. Step 2: Convert to fraction form
    16,266.88/22,445.40 = 9,891.64/x
  3. Step 3: Cross multiply
    16,266.88x = 22,445.40 × 9,891.64
  4. Step 4: Simplify right side
    16,266.88x = 222,021,816.46
  5. Step 5: Solve for x
    x = 222,021,816.46/16,266.88
  6. Step 6: Final answer
    x = 13,648.70

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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.