Home / 18,538.46-27,798.95-6,690.69

Finding the Fourth Proportional to 18,538.46, 27,798.95 and 6,690.69

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Solution

The fourth proportional to 18,538.46, 27,798.95 and 6,690.69 is: 10,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.46 : 27,798.95 = 6,690.69 : x
  2. Step 2: Convert to fraction form
    18,538.46/27,798.95 = 6,690.69/x
  3. Step 3: Cross multiply
    18,538.46x = 27,798.95 × 6,690.69
  4. Step 4: Simplify right side
    18,538.46x = 185,994,156.78
  5. Step 5: Solve for x
    x = 185,994,156.78/18,538.46
  6. Step 6: Final answer
    x = 10,032.88

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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.