Home / 25,144.03-34,698.63-13,658.85

Finding the Fourth Proportional to 25,144.03, 34,698.63 and 13,658.85

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Solution

The fourth proportional to 25,144.03, 34,698.63 and 13,658.85 is: 18,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.03 : 34,698.63 = 13,658.85 : x
  2. Step 2: Convert to fraction form
    25,144.03/34,698.63 = 13,658.85/x
  3. Step 3: Cross multiply
    25,144.03x = 34,698.63 × 13,658.85
  4. Step 4: Simplify right side
    25,144.03x = 473,943,454.36
  5. Step 5: Solve for x
    x = 473,943,454.36/25,144.03
  6. Step 6: Final answer
    x = 18,849.15

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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.