Home / 10,554.89-15,834.38-3,158.71

Finding the Fourth Proportional to 10,554.89, 15,834.38 and 3,158.71

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Solution

The fourth proportional to 10,554.89, 15,834.38 and 3,158.71 is: 4,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.89 : 15,834.38 = 3,158.71 : x
  2. Step 2: Convert to fraction form
    10,554.89/15,834.38 = 3,158.71/x
  3. Step 3: Cross multiply
    10,554.89x = 15,834.38 × 3,158.71
  4. Step 4: Simplify right side
    10,554.89x = 50,016,214.45
  5. Step 5: Solve for x
    x = 50,016,214.45/10,554.89
  6. Step 6: Final answer
    x = 4,738.68

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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.