Home / 18,298.83-27,449.87-5,151.33

Finding the Fourth Proportional to 18,298.83, 27,449.87 and 5,151.33

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Solution

The fourth proportional to 18,298.83, 27,449.87 and 5,151.33 is: 7,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.83 : 27,449.87 = 5,151.33 : x
  2. Step 2: Convert to fraction form
    18,298.83/27,449.87 = 5,151.33/x
  3. Step 3: Cross multiply
    18,298.83x = 27,449.87 × 5,151.33
  4. Step 4: Simplify right side
    18,298.83x = 141,403,313.07
  5. Step 5: Solve for x
    x = 141,403,313.07/18,298.83
  6. Step 6: Final answer
    x = 7,727.45

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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.