Home / 18,849.51-28,275.75-4,998.51

Finding the Fourth Proportional to 18,849.51, 28,275.75 and 4,998.51

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Solution

The fourth proportional to 18,849.51, 28,275.75 and 4,998.51 is: 7,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.51 : 28,275.75 = 4,998.51 : x
  2. Step 2: Convert to fraction form
    18,849.51/28,275.75 = 4,998.51/x
  3. Step 3: Cross multiply
    18,849.51x = 28,275.75 × 4,998.51
  4. Step 4: Simplify right side
    18,849.51x = 141,336,619.13
  5. Step 5: Solve for x
    x = 141,336,619.13/18,849.51
  6. Step 6: Final answer
    x = 7,498.16

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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.