Home / 17,266.90-25,900.32-5,420.23

Finding the Fourth Proportional to 17,266.90, 25,900.32 and 5,420.23

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Solution

The fourth proportional to 17,266.90, 25,900.32 and 5,420.23 is: 8,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.90 : 25,900.32 = 5,420.23 : x
  2. Step 2: Convert to fraction form
    17,266.90/25,900.32 = 5,420.23/x
  3. Step 3: Cross multiply
    17,266.90x = 25,900.32 × 5,420.23
  4. Step 4: Simplify right side
    17,266.90x = 140,385,691.47
  5. Step 5: Solve for x
    x = 140,385,691.47/17,266.90
  6. Step 6: Final answer
    x = 8,130.34

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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.