Home / 15,482.32-21,367.02-8,768.22

Finding the Fourth Proportional to 15,482.32, 21,367.02 and 8,768.22

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Solution

The fourth proportional to 15,482.32, 21,367.02 and 8,768.22 is: 12,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.32 : 21,367.02 = 8,768.22 : x
  2. Step 2: Convert to fraction form
    15,482.32/21,367.02 = 8,768.22/x
  3. Step 3: Cross multiply
    15,482.32x = 21,367.02 × 8,768.22
  4. Step 4: Simplify right side
    15,482.32x = 187,350,732.10
  5. Step 5: Solve for x
    x = 187,350,732.10/15,482.32
  6. Step 6: Final answer
    x = 12,100.95

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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.