Home / 10,020.60-15,036.30-4,474.80

Finding the Fourth Proportional to 10,020.60, 15,036.30 and 4,474.80

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Solution

The fourth proportional to 10,020.60, 15,036.30 and 4,474.80 is: 6,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.60 : 15,036.30 = 4,474.80 : x
  2. Step 2: Convert to fraction form
    10,020.60/15,036.30 = 4,474.80/x
  3. Step 3: Cross multiply
    10,020.60x = 15,036.30 × 4,474.80
  4. Step 4: Simplify right side
    10,020.60x = 67,284,435.24
  5. Step 5: Solve for x
    x = 67,284,435.24/10,020.60
  6. Step 6: Final answer
    x = 6,714.61

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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.