Home / 15,152.13-22,728.39-8,578.98

Finding the Fourth Proportional to 15,152.13, 22,728.39 and 8,578.98

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Solution

The fourth proportional to 15,152.13, 22,728.39 and 8,578.98 is: 12,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.13 : 22,728.39 = 8,578.98 : x
  2. Step 2: Convert to fraction form
    15,152.13/22,728.39 = 8,578.98/x
  3. Step 3: Cross multiply
    15,152.13x = 22,728.39 × 8,578.98
  4. Step 4: Simplify right side
    15,152.13x = 194,986,403.24
  5. Step 5: Solve for x
    x = 194,986,403.24/15,152.13
  6. Step 6: Final answer
    x = 12,868.58

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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.