Home / 15,177.93-22,777.13-5,317.29

Finding the Fourth Proportional to 15,177.93, 22,777.13 and 5,317.29

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Solution

The fourth proportional to 15,177.93, 22,777.13 and 5,317.29 is: 7,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.93 : 22,777.13 = 5,317.29 : x
  2. Step 2: Convert to fraction form
    15,177.93/22,777.13 = 5,317.29/x
  3. Step 3: Cross multiply
    15,177.93x = 22,777.13 × 5,317.29
  4. Step 4: Simplify right side
    15,177.93x = 121,112,578.99
  5. Step 5: Solve for x
    x = 121,112,578.99/15,177.93
  6. Step 6: Final answer
    x = 7,979.52

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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.