Home / 18,125.12-27,182.46-4,977.92

Finding the Fourth Proportional to 18,125.12, 27,182.46 and 4,977.92

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Solution

The fourth proportional to 18,125.12, 27,182.46 and 4,977.92 is: 7,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.12 : 27,182.46 = 4,977.92 : x
  2. Step 2: Convert to fraction form
    18,125.12/27,182.46 = 4,977.92/x
  3. Step 3: Cross multiply
    18,125.12x = 27,182.46 × 4,977.92
  4. Step 4: Simplify right side
    18,125.12x = 135,312,111.28
  5. Step 5: Solve for x
    x = 135,312,111.28/18,125.12
  6. Step 6: Final answer
    x = 7,465.45

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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.