Home / 10,348.23-15,510.20-4,789.83

Finding the Fourth Proportional to 10,348.23, 15,510.20 and 4,789.83

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Solution

The fourth proportional to 10,348.23, 15,510.20 and 4,789.83 is: 7,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.23 : 15,510.20 = 4,789.83 : x
  2. Step 2: Convert to fraction form
    10,348.23/15,510.20 = 4,789.83/x
  3. Step 3: Cross multiply
    10,348.23x = 15,510.20 × 4,789.83
  4. Step 4: Simplify right side
    10,348.23x = 74,291,221.27
  5. Step 5: Solve for x
    x = 74,291,221.27/10,348.23
  6. Step 6: Final answer
    x = 7,179.12

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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.