Home / 10,218.30-14,100.38-5,741.70

Finding the Fourth Proportional to 10,218.30, 14,100.38 and 5,741.70

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Solution

The fourth proportional to 10,218.30, 14,100.38 and 5,741.70 is: 7,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.30 : 14,100.38 = 5,741.70 : x
  2. Step 2: Convert to fraction form
    10,218.30/14,100.38 = 5,741.70/x
  3. Step 3: Cross multiply
    10,218.30x = 14,100.38 × 5,741.70
  4. Step 4: Simplify right side
    10,218.30x = 80,960,151.85
  5. Step 5: Solve for x
    x = 80,960,151.85/10,218.30
  6. Step 6: Final answer
    x = 7,923.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.