Home / 16,971.33-25,457.18-5,125.20

Finding the Fourth Proportional to 16,971.33, 25,457.18 and 5,125.20

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Solution

The fourth proportional to 16,971.33, 25,457.18 and 5,125.20 is: 7,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.33 : 25,457.18 = 5,125.20 : x
  2. Step 2: Convert to fraction form
    16,971.33/25,457.18 = 5,125.20/x
  3. Step 3: Cross multiply
    16,971.33x = 25,457.18 × 5,125.20
  4. Step 4: Simplify right side
    16,971.33x = 130,473,247.21
  5. Step 5: Solve for x
    x = 130,473,247.21/16,971.33
  6. Step 6: Final answer
    x = 7,687.86

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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.