Home / 20,118.16-30,165.47-6,073.97

Finding the Fourth Proportional to 20,118.16, 30,165.47 and 6,073.97

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Solution

The fourth proportional to 20,118.16, 30,165.47 and 6,073.97 is: 9,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.16 : 30,165.47 = 6,073.97 : x
  2. Step 2: Convert to fraction form
    20,118.16/30,165.47 = 6,073.97/x
  3. Step 3: Cross multiply
    20,118.16x = 30,165.47 × 6,073.97
  4. Step 4: Simplify right side
    20,118.16x = 183,224,129.45
  5. Step 5: Solve for x
    x = 183,224,129.45/20,118.16
  6. Step 6: Final answer
    x = 9,107.40

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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.