Home / 20,159.56-30,238.36-6,118.96

Finding the Fourth Proportional to 20,159.56, 30,238.36 and 6,118.96

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Solution

The fourth proportional to 20,159.56, 30,238.36 and 6,118.96 is: 9,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.56 : 30,238.36 = 6,118.96 : x
  2. Step 2: Convert to fraction form
    20,159.56/30,238.36 = 6,118.96/x
  3. Step 3: Cross multiply
    20,159.56x = 30,238.36 × 6,118.96
  4. Step 4: Simplify right side
    20,159.56x = 185,027,315.31
  5. Step 5: Solve for x
    x = 185,027,315.31/20,159.56
  6. Step 6: Final answer
    x = 9,178.14

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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.