Home / 20,294.12-30,444.96-7,154.84

Finding the Fourth Proportional to 20,294.12, 30,444.96 and 7,154.84

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Solution

The fourth proportional to 20,294.12, 30,444.96 and 7,154.84 is: 10,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.12 : 30,444.96 = 7,154.84 : x
  2. Step 2: Convert to fraction form
    20,294.12/30,444.96 = 7,154.84/x
  3. Step 3: Cross multiply
    20,294.12x = 30,444.96 × 7,154.84
  4. Step 4: Simplify right side
    20,294.12x = 217,828,817.61
  5. Step 5: Solve for x
    x = 217,828,817.61/20,294.12
  6. Step 6: Final answer
    x = 10,733.59

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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.