Home / 10,176.53-15,266.96-3,156.38

Finding the Fourth Proportional to 10,176.53, 15,266.96 and 3,156.38

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Solution

The fourth proportional to 10,176.53, 15,266.96 and 3,156.38 is: 4,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.53 : 15,266.96 = 3,156.38 : x
  2. Step 2: Convert to fraction form
    10,176.53/15,266.96 = 3,156.38/x
  3. Step 3: Cross multiply
    10,176.53x = 15,266.96 × 3,156.38
  4. Step 4: Simplify right side
    10,176.53x = 48,188,407.81
  5. Step 5: Solve for x
    x = 48,188,407.81/10,176.53
  6. Step 6: Final answer
    x = 4,735.25

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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.