Home / 15,216.20-22,824.30-13,401.80

Finding the Fourth Proportional to 15,216.20, 22,824.30 and 13,401.80

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Solution

The fourth proportional to 15,216.20, 22,824.30 and 13,401.80 is: 20,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.20 : 22,824.30 = 13,401.80 : x
  2. Step 2: Convert to fraction form
    15,216.20/22,824.30 = 13,401.80/x
  3. Step 3: Cross multiply
    15,216.20x = 22,824.30 × 13,401.80
  4. Step 4: Simplify right side
    15,216.20x = 305,886,703.74
  5. Step 5: Solve for x
    x = 305,886,703.74/15,216.20
  6. Step 6: Final answer
    x = 20,102.70

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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.