Home / 20,177.26-30,267.52-5,386.06

Finding the Fourth Proportional to 20,177.26, 30,267.52 and 5,386.06

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Solution

The fourth proportional to 20,177.26, 30,267.52 and 5,386.06 is: 8,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.26 : 30,267.52 = 5,386.06 : x
  2. Step 2: Convert to fraction form
    20,177.26/30,267.52 = 5,386.06/x
  3. Step 3: Cross multiply
    20,177.26x = 30,267.52 × 5,386.06
  4. Step 4: Simplify right side
    20,177.26x = 163,022,678.77
  5. Step 5: Solve for x
    x = 163,022,678.77/20,177.26
  6. Step 6: Final answer
    x = 8,079.53

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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.