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Finding the Fourth Proportional to 16,518.65, 22,796.65 and 9,348.93

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Solution

The fourth proportional to 16,518.65, 22,796.65 and 9,348.93 is: 12,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.65 : 22,796.65 = 9,348.93 : x
  2. Step 2: Convert to fraction form
    16,518.65/22,796.65 = 9,348.93/x
  3. Step 3: Cross multiply
    16,518.65x = 22,796.65 × 9,348.93
  4. Step 4: Simplify right side
    16,518.65x = 213,124,261.71
  5. Step 5: Solve for x
    x = 213,124,261.71/16,518.65
  6. Step 6: Final answer
    x = 12,902.04

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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.