Home / 16,601.04-22,909.60-9,890

Finding the Fourth Proportional to 16,601.04, 22,909.60 and 9,890

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Solution

The fourth proportional to 16,601.04, 22,909.60 and 9,890 is: 13,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.04 : 22,909.60 = 9,890 : x
  2. Step 2: Convert to fraction form
    16,601.04/22,909.60 = 9,890/x
  3. Step 3: Cross multiply
    16,601.04x = 22,909.60 × 9,890
  4. Step 4: Simplify right side
    16,601.04x = 226,575,944
  5. Step 5: Solve for x
    x = 226,575,944/16,601.04
  6. Step 6: Final answer
    x = 13,648.30

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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.