Home / 10,140.78-13,993.30-5,948.22

Finding the Fourth Proportional to 10,140.78, 13,993.30 and 5,948.22

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Solution

The fourth proportional to 10,140.78, 13,993.30 and 5,948.22 is: 8,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.78 : 13,993.30 = 5,948.22 : x
  2. Step 2: Convert to fraction form
    10,140.78/13,993.30 = 5,948.22/x
  3. Step 3: Cross multiply
    10,140.78x = 13,993.30 × 5,948.22
  4. Step 4: Simplify right side
    10,140.78x = 83,235,226.93
  5. Step 5: Solve for x
    x = 83,235,226.93/10,140.78
  6. Step 6: Final answer
    x = 8,207.97

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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.