Home / 15,013.48-22,520.22-3,920.16

Finding the Fourth Proportional to 15,013.48, 22,520.22 and 3,920.16

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Solution

The fourth proportional to 15,013.48, 22,520.22 and 3,920.16 is: 5,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.48 : 22,520.22 = 3,920.16 : x
  2. Step 2: Convert to fraction form
    15,013.48/22,520.22 = 3,920.16/x
  3. Step 3: Cross multiply
    15,013.48x = 22,520.22 × 3,920.16
  4. Step 4: Simplify right side
    15,013.48x = 88,282,865.64
  5. Step 5: Solve for x
    x = 88,282,865.64/15,013.48
  6. Step 6: Final answer
    x = 5,880.24

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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.