Home / 15,244.38-21,037.41-8,530.38

Finding the Fourth Proportional to 15,244.38, 21,037.41 and 8,530.38

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Solution

The fourth proportional to 15,244.38, 21,037.41 and 8,530.38 is: 11,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.38 : 21,037.41 = 8,530.38 : x
  2. Step 2: Convert to fraction form
    15,244.38/21,037.41 = 8,530.38/x
  3. Step 3: Cross multiply
    15,244.38x = 21,037.41 × 8,530.38
  4. Step 4: Simplify right side
    15,244.38x = 179,457,101.52
  5. Step 5: Solve for x
    x = 179,457,101.52/15,244.38
  6. Step 6: Final answer
    x = 11,772.02

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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.