Home / 20,165.36-30,248.08-6,125.49

Finding the Fourth Proportional to 20,165.36, 30,248.08 and 6,125.49

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Solution

The fourth proportional to 20,165.36, 30,248.08 and 6,125.49 is: 9,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.36 : 30,248.08 = 6,125.49 : x
  2. Step 2: Convert to fraction form
    20,165.36/30,248.08 = 6,125.49/x
  3. Step 3: Cross multiply
    20,165.36x = 30,248.08 × 6,125.49
  4. Step 4: Simplify right side
    20,165.36x = 185,284,296.25
  5. Step 5: Solve for x
    x = 185,284,296.25/20,165.36
  6. Step 6: Final answer
    x = 9,188.25

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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.