Home / 10,080.70-15,123.45-4,234.30

Finding the Fourth Proportional to 10,080.70, 15,123.45 and 4,234.30

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Solution

The fourth proportional to 10,080.70, 15,123.45 and 4,234.30 is: 6,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.70 : 15,123.45 = 4,234.30 : x
  2. Step 2: Convert to fraction form
    10,080.70/15,123.45 = 4,234.30/x
  3. Step 3: Cross multiply
    10,080.70x = 15,123.45 × 4,234.30
  4. Step 4: Simplify right side
    10,080.70x = 64,037,224.34
  5. Step 5: Solve for x
    x = 64,037,224.34/10,080.70
  6. Step 6: Final answer
    x = 6,352.46

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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.