Home / 15,711.02-23,567.10-5,181.30

Finding the Fourth Proportional to 15,711.02, 23,567.10 and 5,181.30

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Solution

The fourth proportional to 15,711.02, 23,567.10 and 5,181.30 is: 7,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.02 : 23,567.10 = 5,181.30 : x
  2. Step 2: Convert to fraction form
    15,711.02/23,567.10 = 5,181.30/x
  3. Step 3: Cross multiply
    15,711.02x = 23,567.10 × 5,181.30
  4. Step 4: Simplify right side
    15,711.02x = 122,108,224.94
  5. Step 5: Solve for x
    x = 122,108,224.94/15,711.02
  6. Step 6: Final answer
    x = 7,772.14

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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.