Home / 18,944.30-28,417.58-5,796.78

Finding the Fourth Proportional to 18,944.30, 28,417.58 and 5,796.78

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Solution

The fourth proportional to 18,944.30, 28,417.58 and 5,796.78 is: 8,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.30 : 28,417.58 = 5,796.78 : x
  2. Step 2: Convert to fraction form
    18,944.30/28,417.58 = 5,796.78/x
  3. Step 3: Cross multiply
    18,944.30x = 28,417.58 × 5,796.78
  4. Step 4: Simplify right side
    18,944.30x = 164,730,538.04
  5. Step 5: Solve for x
    x = 164,730,538.04/18,944.30
  6. Step 6: Final answer
    x = 8,695.52

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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.