Home / 12,583.80-17,367.34-7,278.95

Finding the Fourth Proportional to 12,583.80, 17,367.34 and 7,278.95

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Solution

The fourth proportional to 12,583.80, 17,367.34 and 7,278.95 is: 10,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.80 : 17,367.34 = 7,278.95 : x
  2. Step 2: Convert to fraction form
    12,583.80/17,367.34 = 7,278.95/x
  3. Step 3: Cross multiply
    12,583.80x = 17,367.34 × 7,278.95
  4. Step 4: Simplify right side
    12,583.80x = 126,416,024.71
  5. Step 5: Solve for x
    x = 126,416,024.71/12,583.80
  6. Step 6: Final answer
    x = 10,045.93

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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.