Home / 20,392.44-30,590.10-8,707.32

Finding the Fourth Proportional to 20,392.44, 30,590.10 and 8,707.32

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Solution

The fourth proportional to 20,392.44, 30,590.10 and 8,707.32 is: 13,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.44 : 30,590.10 = 8,707.32 : x
  2. Step 2: Convert to fraction form
    20,392.44/30,590.10 = 8,707.32/x
  3. Step 3: Cross multiply
    20,392.44x = 30,590.10 × 8,707.32
  4. Step 4: Simplify right side
    20,392.44x = 266,357,789.53
  5. Step 5: Solve for x
    x = 266,357,789.53/20,392.44
  6. Step 6: Final answer
    x = 13,061.59

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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.