Home / 13,010.68-19,548.11-8,332.71

Finding the Fourth Proportional to 13,010.68, 19,548.11 and 8,332.71

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Solution

The fourth proportional to 13,010.68, 19,548.11 and 8,332.71 is: 12,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.68 : 19,548.11 = 8,332.71 : x
  2. Step 2: Convert to fraction form
    13,010.68/19,548.11 = 8,332.71/x
  3. Step 3: Cross multiply
    13,010.68x = 19,548.11 × 8,332.71
  4. Step 4: Simplify right side
    13,010.68x = 162,888,731.68
  5. Step 5: Solve for x
    x = 162,888,731.68/13,010.68
  6. Step 6: Final answer
    x = 12,519.62

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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.