Home / 10,478.03-15,714.39-4,236.20

Finding the Fourth Proportional to 10,478.03, 15,714.39 and 4,236.20

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Solution

The fourth proportional to 10,478.03, 15,714.39 and 4,236.20 is: 6,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.03 : 15,714.39 = 4,236.20 : x
  2. Step 2: Convert to fraction form
    10,478.03/15,714.39 = 4,236.20/x
  3. Step 3: Cross multiply
    10,478.03x = 15,714.39 × 4,236.20
  4. Step 4: Simplify right side
    10,478.03x = 66,569,298.92
  5. Step 5: Solve for x
    x = 66,569,298.92/10,478.03
  6. Step 6: Final answer
    x = 6,353.23

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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.