Home / 19,422.38-29,109.58-8,316.07

Finding the Fourth Proportional to 19,422.38, 29,109.58 and 8,316.07

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Solution

The fourth proportional to 19,422.38, 29,109.58 and 8,316.07 is: 12,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.38 : 29,109.58 = 8,316.07 : x
  2. Step 2: Convert to fraction form
    19,422.38/29,109.58 = 8,316.07/x
  3. Step 3: Cross multiply
    19,422.38x = 29,109.58 × 8,316.07
  4. Step 4: Simplify right side
    19,422.38x = 242,077,211.39
  5. Step 5: Solve for x
    x = 242,077,211.39/19,422.38
  6. Step 6: Final answer
    x = 12,463.83

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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.