Home / 15,401.53-21,254.10-8,327.94

Finding the Fourth Proportional to 15,401.53, 21,254.10 and 8,327.94

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Solution

The fourth proportional to 15,401.53, 21,254.10 and 8,327.94 is: 11,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.53 : 21,254.10 = 8,327.94 : x
  2. Step 2: Convert to fraction form
    15,401.53/21,254.10 = 8,327.94/x
  3. Step 3: Cross multiply
    15,401.53x = 21,254.10 × 8,327.94
  4. Step 4: Simplify right side
    15,401.53x = 177,002,816.42
  5. Step 5: Solve for x
    x = 177,002,816.42/15,401.53
  6. Step 6: Final answer
    x = 11,492.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.