Home / 15,191.18-20,962.82-9,525.69

Finding the Fourth Proportional to 15,191.18, 20,962.82 and 9,525.69

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Solution

The fourth proportional to 15,191.18, 20,962.82 and 9,525.69 is: 13,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.18 : 20,962.82 = 9,525.69 : x
  2. Step 2: Convert to fraction form
    15,191.18/20,962.82 = 9,525.69/x
  3. Step 3: Cross multiply
    15,191.18x = 20,962.82 × 9,525.69
  4. Step 4: Simplify right side
    15,191.18x = 199,685,277.22
  5. Step 5: Solve for x
    x = 199,685,277.22/15,191.18
  6. Step 6: Final answer
    x = 13,144.82

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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.