Home / 25,014.38-34,519.36-13,683.74

Finding the Fourth Proportional to 25,014.38, 34,519.36 and 13,683.74

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Solution

The fourth proportional to 25,014.38, 34,519.36 and 13,683.74 is: 18,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.38 : 34,519.36 = 13,683.74 : x
  2. Step 2: Convert to fraction form
    25,014.38/34,519.36 = 13,683.74/x
  3. Step 3: Cross multiply
    25,014.38x = 34,519.36 × 13,683.74
  4. Step 4: Simplify right side
    25,014.38x = 472,353,947.21
  5. Step 5: Solve for x
    x = 472,353,947.21/25,014.38
  6. Step 6: Final answer
    x = 18,883.30

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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.