Home / 10,160.81-15,242.67-3,141.44

Finding the Fourth Proportional to 10,160.81, 15,242.67 and 3,141.44

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Solution

The fourth proportional to 10,160.81, 15,242.67 and 3,141.44 is: 4,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.81 : 15,242.67 = 3,141.44 : x
  2. Step 2: Convert to fraction form
    10,160.81/15,242.67 = 3,141.44/x
  3. Step 3: Cross multiply
    10,160.81x = 15,242.67 × 3,141.44
  4. Step 4: Simplify right side
    10,160.81x = 47,883,857.03
  5. Step 5: Solve for x
    x = 47,883,857.03/10,160.81
  6. Step 6: Final answer
    x = 4,712.60

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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.