Home / 8,254.98-12,367.77-7,154.19

Finding the Fourth Proportional to 8,254.98, 12,367.77 and 7,154.19

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Solution

The fourth proportional to 8,254.98, 12,367.77 and 7,154.19 is: 10,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.98 : 12,367.77 = 7,154.19 : x
  2. Step 2: Convert to fraction form
    8,254.98/12,367.77 = 7,154.19/x
  3. Step 3: Cross multiply
    8,254.98x = 12,367.77 × 7,154.19
  4. Step 4: Simplify right side
    8,254.98x = 88,481,376.46
  5. Step 5: Solve for x
    x = 88,481,376.46/8,254.98
  6. Step 6: Final answer
    x = 10,718.55

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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.