Home / 19,176.92-28,744.74-9,294.38

Finding the Fourth Proportional to 19,176.92, 28,744.74 and 9,294.38

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Solution

The fourth proportional to 19,176.92, 28,744.74 and 9,294.38 is: 13,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.92 : 28,744.74 = 9,294.38 : x
  2. Step 2: Convert to fraction form
    19,176.92/28,744.74 = 9,294.38/x
  3. Step 3: Cross multiply
    19,176.92x = 28,744.74 × 9,294.38
  4. Step 4: Simplify right side
    19,176.92x = 267,164,536.56
  5. Step 5: Solve for x
    x = 267,164,536.56/19,176.92
  6. Step 6: Final answer
    x = 13,931.57

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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.