Home / 15,293.38-22,940.10-12,317.89

Finding the Fourth Proportional to 15,293.38, 22,940.10 and 12,317.89

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Solution

The fourth proportional to 15,293.38, 22,940.10 and 12,317.89 is: 18,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.38 : 22,940.10 = 12,317.89 : x
  2. Step 2: Convert to fraction form
    15,293.38/22,940.10 = 12,317.89/x
  3. Step 3: Cross multiply
    15,293.38x = 22,940.10 × 12,317.89
  4. Step 4: Simplify right side
    15,293.38x = 282,573,628.39
  5. Step 5: Solve for x
    x = 282,573,628.39/15,293.38
  6. Step 6: Final answer
    x = 18,476.86

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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.