Home / 13,079.12-19,620.60-4,316.24

Finding the Fourth Proportional to 13,079.12, 19,620.60 and 4,316.24

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Solution

The fourth proportional to 13,079.12, 19,620.60 and 4,316.24 is: 6,474.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.12 : 19,620.60 = 4,316.24 : x
  2. Step 2: Convert to fraction form
    13,079.12/19,620.60 = 4,316.24/x
  3. Step 3: Cross multiply
    13,079.12x = 19,620.60 × 4,316.24
  4. Step 4: Simplify right side
    13,079.12x = 84,687,218.54
  5. Step 5: Solve for x
    x = 84,687,218.54/13,079.12
  6. Step 6: Final answer
    x = 6,474.99

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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.