Home / 15,550.02-23,211.88-13,581.72

Finding the Fourth Proportional to 15,550.02, 23,211.88 and 13,581.72

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Solution

The fourth proportional to 15,550.02, 23,211.88 and 13,581.72 is: 20,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.02 : 23,211.88 = 13,581.72 : x
  2. Step 2: Convert to fraction form
    15,550.02/23,211.88 = 13,581.72/x
  3. Step 3: Cross multiply
    15,550.02x = 23,211.88 × 13,581.72
  4. Step 4: Simplify right side
    15,550.02x = 315,257,254.83
  5. Step 5: Solve for x
    x = 315,257,254.83/15,550.02
  6. Step 6: Final answer
    x = 20,273.75

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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.