Home / 15,571.13-23,356.89-5,182.88

Finding the Fourth Proportional to 15,571.13, 23,356.89 and 5,182.88

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Solution

The fourth proportional to 15,571.13, 23,356.89 and 5,182.88 is: 7,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.13 : 23,356.89 = 5,182.88 : x
  2. Step 2: Convert to fraction form
    15,571.13/23,356.89 = 5,182.88/x
  3. Step 3: Cross multiply
    15,571.13x = 23,356.89 × 5,182.88
  4. Step 4: Simplify right side
    15,571.13x = 121,055,841.26
  5. Step 5: Solve for x
    x = 121,055,841.26/15,571.13
  6. Step 6: Final answer
    x = 7,774.38

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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.