Home / 15,977.88-23,971.68-7,210.44

Finding the Fourth Proportional to 15,977.88, 23,971.68 and 7,210.44

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Solution

The fourth proportional to 15,977.88, 23,971.68 and 7,210.44 is: 10,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.88 : 23,971.68 = 7,210.44 : x
  2. Step 2: Convert to fraction form
    15,977.88/23,971.68 = 7,210.44/x
  3. Step 3: Cross multiply
    15,977.88x = 23,971.68 × 7,210.44
  4. Step 4: Simplify right side
    15,977.88x = 172,846,360.34
  5. Step 5: Solve for x
    x = 172,846,360.34/15,977.88
  6. Step 6: Final answer
    x = 10,817.85

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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.