Home / 10,025.77-15,020.79-8,549.95

Finding the Fourth Proportional to 10,025.77, 15,020.79 and 8,549.95

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Solution

The fourth proportional to 10,025.77, 15,020.79 and 8,549.95 is: 12,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.77 : 15,020.79 = 8,549.95 : x
  2. Step 2: Convert to fraction form
    10,025.77/15,020.79 = 8,549.95/x
  3. Step 3: Cross multiply
    10,025.77x = 15,020.79 × 8,549.95
  4. Step 4: Simplify right side
    10,025.77x = 128,427,003.46
  5. Step 5: Solve for x
    x = 128,427,003.46/10,025.77
  6. Step 6: Final answer
    x = 12,809.69

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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.