Home / 13,522.50-20,278.56-6,498.10

Finding the Fourth Proportional to 13,522.50, 20,278.56 and 6,498.10

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Solution

The fourth proportional to 13,522.50, 20,278.56 and 6,498.10 is: 9,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.50 : 20,278.56 = 6,498.10 : x
  2. Step 2: Convert to fraction form
    13,522.50/20,278.56 = 6,498.10/x
  3. Step 3: Cross multiply
    13,522.50x = 20,278.56 × 6,498.10
  4. Step 4: Simplify right side
    13,522.50x = 131,772,110.74
  5. Step 5: Solve for x
    x = 131,772,110.74/13,522.50
  6. Step 6: Final answer
    x = 9,744.66

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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.