Home / 15,037.83-20,761.65-9,662.45

Finding the Fourth Proportional to 15,037.83, 20,761.65 and 9,662.45

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Solution

The fourth proportional to 15,037.83, 20,761.65 and 9,662.45 is: 13,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.83 : 20,761.65 = 9,662.45 : x
  2. Step 2: Convert to fraction form
    15,037.83/20,761.65 = 9,662.45/x
  3. Step 3: Cross multiply
    15,037.83x = 20,761.65 × 9,662.45
  4. Step 4: Simplify right side
    15,037.83x = 200,608,301.23
  5. Step 5: Solve for x
    x = 200,608,301.23/15,037.83
  6. Step 6: Final answer
    x = 13,340.24

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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.