Home / 16,147.20-22,283.64-9,774.96

Finding the Fourth Proportional to 16,147.20, 22,283.64 and 9,774.96

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Solution

The fourth proportional to 16,147.20, 22,283.64 and 9,774.96 is: 13,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.20 : 22,283.64 = 9,774.96 : x
  2. Step 2: Convert to fraction form
    16,147.20/22,283.64 = 9,774.96/x
  3. Step 3: Cross multiply
    16,147.20x = 22,283.64 × 9,774.96
  4. Step 4: Simplify right side
    16,147.20x = 217,821,689.65
  5. Step 5: Solve for x
    x = 217,821,689.65/16,147.20
  6. Step 6: Final answer
    x = 13,489.75

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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.