Home / 15,559.56-23,339.32-3,872.79

Finding the Fourth Proportional to 15,559.56, 23,339.32 and 3,872.79

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Solution

The fourth proportional to 15,559.56, 23,339.32 and 3,872.79 is: 5,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.56 : 23,339.32 = 3,872.79 : x
  2. Step 2: Convert to fraction form
    15,559.56/23,339.32 = 3,872.79/x
  3. Step 3: Cross multiply
    15,559.56x = 23,339.32 × 3,872.79
  4. Step 4: Simplify right side
    15,559.56x = 90,388,275.42
  5. Step 5: Solve for x
    x = 90,388,275.42/15,559.56
  6. Step 6: Final answer
    x = 5,809.18

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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.