Home / 12,632.48-18,942.96-6,061.76

Finding the Fourth Proportional to 12,632.48, 18,942.96 and 6,061.76

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Solution

The fourth proportional to 12,632.48, 18,942.96 and 6,061.76 is: 9,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.48 : 18,942.96 = 6,061.76 : x
  2. Step 2: Convert to fraction form
    12,632.48/18,942.96 = 6,061.76/x
  3. Step 3: Cross multiply
    12,632.48x = 18,942.96 × 6,061.76
  4. Step 4: Simplify right side
    12,632.48x = 114,827,677.21
  5. Step 5: Solve for x
    x = 114,827,677.21/12,632.48
  6. Step 6: Final answer
    x = 9,089.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.