Home / 10,211.04-15,305.67-5,819.04

Finding the Fourth Proportional to 10,211.04, 15,305.67 and 5,819.04

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Solution

The fourth proportional to 10,211.04, 15,305.67 and 5,819.04 is: 8,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.04 : 15,305.67 = 5,819.04 : x
  2. Step 2: Convert to fraction form
    10,211.04/15,305.67 = 5,819.04/x
  3. Step 3: Cross multiply
    10,211.04x = 15,305.67 × 5,819.04
  4. Step 4: Simplify right side
    10,211.04x = 89,064,305.96
  5. Step 5: Solve for x
    x = 89,064,305.96/10,211.04
  6. Step 6: Final answer
    x = 8,722.35

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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.