Home / 15,578.70-23,319.45-11,204.70

Finding the Fourth Proportional to 15,578.70, 23,319.45 and 11,204.70

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Solution

The fourth proportional to 15,578.70, 23,319.45 and 11,204.70 is: 16,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.70 : 23,319.45 = 11,204.70 : x
  2. Step 2: Convert to fraction form
    15,578.70/23,319.45 = 11,204.70/x
  3. Step 3: Cross multiply
    15,578.70x = 23,319.45 × 11,204.70
  4. Step 4: Simplify right side
    15,578.70x = 261,287,441.42
  5. Step 5: Solve for x
    x = 261,287,441.42/15,578.70
  6. Step 6: Final answer
    x = 16,772.10

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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.