Home / 15,197.12-20,964.50-10,162.92

Finding the Fourth Proportional to 15,197.12, 20,964.50 and 10,162.92

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Solution

The fourth proportional to 15,197.12, 20,964.50 and 10,162.92 is: 14,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.12 : 20,964.50 = 10,162.92 : x
  2. Step 2: Convert to fraction form
    15,197.12/20,964.50 = 10,162.92/x
  3. Step 3: Cross multiply
    15,197.12x = 20,964.50 × 10,162.92
  4. Step 4: Simplify right side
    15,197.12x = 213,060,536.34
  5. Step 5: Solve for x
    x = 213,060,536.34/15,197.12
  6. Step 6: Final answer
    x = 14,019.80

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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.