Home / 10,190.46-15,285.72-4,343.34

Finding the Fourth Proportional to 10,190.46, 15,285.72 and 4,343.34

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Solution

The fourth proportional to 10,190.46, 15,285.72 and 4,343.34 is: 6,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.46 : 15,285.72 = 4,343.34 : x
  2. Step 2: Convert to fraction form
    10,190.46/15,285.72 = 4,343.34/x
  3. Step 3: Cross multiply
    10,190.46x = 15,285.72 × 4,343.34
  4. Step 4: Simplify right side
    10,190.46x = 66,391,079.10
  5. Step 5: Solve for x
    x = 66,391,079.10/10,190.46
  6. Step 6: Final answer
    x = 6,515.02

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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.