Home / 15,480.98-23,221.44-5,620.24

Finding the Fourth Proportional to 15,480.98, 23,221.44 and 5,620.24

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Solution

The fourth proportional to 15,480.98, 23,221.44 and 5,620.24 is: 8,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.98 : 23,221.44 = 5,620.24 : x
  2. Step 2: Convert to fraction form
    15,480.98/23,221.44 = 5,620.24/x
  3. Step 3: Cross multiply
    15,480.98x = 23,221.44 × 5,620.24
  4. Step 4: Simplify right side
    15,480.98x = 130,510,065.95
  5. Step 5: Solve for x
    x = 130,510,065.95/15,480.98
  6. Step 6: Final answer
    x = 8,430.35

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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.