Home / 8,723.34-12,042-6,069.78

Finding the Fourth Proportional to 8,723.34, 12,042 and 6,069.78

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Solution

The fourth proportional to 8,723.34, 12,042 and 6,069.78 is: 8,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.34 : 12,042 = 6,069.78 : x
  2. Step 2: Convert to fraction form
    8,723.34/12,042 = 6,069.78/x
  3. Step 3: Cross multiply
    8,723.34x = 12,042 × 6,069.78
  4. Step 4: Simplify right side
    8,723.34x = 73,092,290.76
  5. Step 5: Solve for x
    x = 73,092,290.76/8,723.34
  6. Step 6: Final answer
    x = 8,378.93

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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.