Home / 17,264.93-25,897.40-5,420.53

Finding the Fourth Proportional to 17,264.93, 25,897.40 and 5,420.53

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Solution

The fourth proportional to 17,264.93, 25,897.40 and 5,420.53 is: 8,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,264.93 : 25,897.40 = 5,420.53 : x
  2. Step 2: Convert to fraction form
    17,264.93/25,897.40 = 5,420.53/x
  3. Step 3: Cross multiply
    17,264.93x = 25,897.40 × 5,420.53
  4. Step 4: Simplify right side
    17,264.93x = 140,377,633.62
  5. Step 5: Solve for x
    x = 140,377,633.62/17,264.93
  6. Step 6: Final answer
    x = 8,130.80

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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.