Home / 25,150.85-34,707.98-13,665.66

Finding the Fourth Proportional to 25,150.85, 34,707.98 and 13,665.66

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Solution

The fourth proportional to 25,150.85, 34,707.98 and 13,665.66 is: 18,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.85 : 34,707.98 = 13,665.66 : x
  2. Step 2: Convert to fraction form
    25,150.85/34,707.98 = 13,665.66/x
  3. Step 3: Cross multiply
    25,150.85x = 34,707.98 × 13,665.66
  4. Step 4: Simplify right side
    25,150.85x = 474,307,385.64
  5. Step 5: Solve for x
    x = 474,307,385.64/25,150.85
  6. Step 6: Final answer
    x = 18,858.51

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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.