Home / 15,149.80-22,603.01-13,486.60

Finding the Fourth Proportional to 15,149.80, 22,603.01 and 13,486.60

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Solution

The fourth proportional to 15,149.80, 22,603.01 and 13,486.60 is: 20,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.80 : 22,603.01 = 13,486.60 : x
  2. Step 2: Convert to fraction form
    15,149.80/22,603.01 = 13,486.60/x
  3. Step 3: Cross multiply
    15,149.80x = 22,603.01 × 13,486.60
  4. Step 4: Simplify right side
    15,149.80x = 304,837,754.67
  5. Step 5: Solve for x
    x = 304,837,754.67/15,149.80
  6. Step 6: Final answer
    x = 20,121.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.