Home / 21,774.80-32,618.46-10,674.56

Finding the Fourth Proportional to 21,774.80, 32,618.46 and 10,674.56

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Solution

The fourth proportional to 21,774.80, 32,618.46 and 10,674.56 is: 15,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.80 : 32,618.46 = 10,674.56 : x
  2. Step 2: Convert to fraction form
    21,774.80/32,618.46 = 10,674.56/x
  3. Step 3: Cross multiply
    21,774.80x = 32,618.46 × 10,674.56
  4. Step 4: Simplify right side
    21,774.80x = 348,187,708.38
  5. Step 5: Solve for x
    x = 348,187,708.38/21,774.80
  6. Step 6: Final answer
    x = 15,990.40

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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.