Home / 20,119.54-30,182.48-6,077.82

Finding the Fourth Proportional to 20,119.54, 30,182.48 and 6,077.82

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Solution

The fourth proportional to 20,119.54, 30,182.48 and 6,077.82 is: 9,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.54 : 30,182.48 = 6,077.82 : x
  2. Step 2: Convert to fraction form
    20,119.54/30,182.48 = 6,077.82/x
  3. Step 3: Cross multiply
    20,119.54x = 30,182.48 × 6,077.82
  4. Step 4: Simplify right side
    20,119.54x = 183,443,499.29
  5. Step 5: Solve for x
    x = 183,443,499.29/20,119.54
  6. Step 6: Final answer
    x = 9,117.68

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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.