Home / 16,587.67-22,889.47-9,872.21

Finding the Fourth Proportional to 16,587.67, 22,889.47 and 9,872.21

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Solution

The fourth proportional to 16,587.67, 22,889.47 and 9,872.21 is: 13,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.67 : 22,889.47 = 9,872.21 : x
  2. Step 2: Convert to fraction form
    16,587.67/22,889.47 = 9,872.21/x
  3. Step 3: Cross multiply
    16,587.67x = 22,889.47 × 9,872.21
  4. Step 4: Simplify right side
    16,587.67x = 225,969,654.63
  5. Step 5: Solve for x
    x = 225,969,654.63/16,587.67
  6. Step 6: Final answer
    x = 13,622.75

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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.