Home / 10,744.28-16,116.30-8,579.18

Finding the Fourth Proportional to 10,744.28, 16,116.30 and 8,579.18

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Solution

The fourth proportional to 10,744.28, 16,116.30 and 8,579.18 is: 12,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.28 : 16,116.30 = 8,579.18 : x
  2. Step 2: Convert to fraction form
    10,744.28/16,116.30 = 8,579.18/x
  3. Step 3: Cross multiply
    10,744.28x = 16,116.30 × 8,579.18
  4. Step 4: Simplify right side
    10,744.28x = 138,264,638.63
  5. Step 5: Solve for x
    x = 138,264,638.63/10,744.28
  6. Step 6: Final answer
    x = 12,868.67

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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.