Home / 25,751.18-38,630.67-9,111.41

Finding the Fourth Proportional to 25,751.18, 38,630.67 and 9,111.41

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Solution

The fourth proportional to 25,751.18, 38,630.67 and 9,111.41 is: 13,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.18 : 38,630.67 = 9,111.41 : x
  2. Step 2: Convert to fraction form
    25,751.18/38,630.67 = 9,111.41/x
  3. Step 3: Cross multiply
    25,751.18x = 38,630.67 × 9,111.41
  4. Step 4: Simplify right side
    25,751.18x = 351,979,679.79
  5. Step 5: Solve for x
    x = 351,979,679.79/25,751.18
  6. Step 6: Final answer
    x = 13,668.49

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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.