Home / 15,181.52-20,963.70-9,525.96

Finding the Fourth Proportional to 15,181.52, 20,963.70 and 9,525.96

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Solution

The fourth proportional to 15,181.52, 20,963.70 and 9,525.96 is: 13,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.52 : 20,963.70 = 9,525.96 : x
  2. Step 2: Convert to fraction form
    15,181.52/20,963.70 = 9,525.96/x
  3. Step 3: Cross multiply
    15,181.52x = 20,963.70 × 9,525.96
  4. Step 4: Simplify right side
    15,181.52x = 199,699,367.65
  5. Step 5: Solve for x
    x = 199,699,367.65/15,181.52
  6. Step 6: Final answer
    x = 13,154.11

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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.