Home / 15,037.25-20,751.41-8,753.81

Finding the Fourth Proportional to 15,037.25, 20,751.41 and 8,753.81

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Solution

The fourth proportional to 15,037.25, 20,751.41 and 8,753.81 is: 12,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.25 : 20,751.41 = 8,753.81 : x
  2. Step 2: Convert to fraction form
    15,037.25/20,751.41 = 8,753.81/x
  3. Step 3: Cross multiply
    15,037.25x = 20,751.41 × 8,753.81
  4. Step 4: Simplify right side
    15,037.25x = 181,653,856.60
  5. Step 5: Solve for x
    x = 181,653,856.60/15,037.25
  6. Step 6: Final answer
    x = 12,080.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.