Home / 15,013.68-22,520.16-3,920.46

Finding the Fourth Proportional to 15,013.68, 22,520.16 and 3,920.46

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Solution

The fourth proportional to 15,013.68, 22,520.16 and 3,920.46 is: 5,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.68 : 22,520.16 = 3,920.46 : x
  2. Step 2: Convert to fraction form
    15,013.68/22,520.16 = 3,920.46/x
  3. Step 3: Cross multiply
    15,013.68x = 22,520.16 × 3,920.46
  4. Step 4: Simplify right side
    15,013.68x = 88,289,386.47
  5. Step 5: Solve for x
    x = 88,289,386.47/15,013.68
  6. Step 6: Final answer
    x = 5,880.60

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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.