Home / 18,451.51-27,641.58-15,454.36

Finding the Fourth Proportional to 18,451.51, 27,641.58 and 15,454.36

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Solution

The fourth proportional to 18,451.51, 27,641.58 and 15,454.36 is: 23,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.51 : 27,641.58 = 15,454.36 : x
  2. Step 2: Convert to fraction form
    18,451.51/27,641.58 = 15,454.36/x
  3. Step 3: Cross multiply
    18,451.51x = 27,641.58 × 15,454.36
  4. Step 4: Simplify right side
    18,451.51x = 427,182,928.29
  5. Step 5: Solve for x
    x = 427,182,928.29/18,451.51
  6. Step 6: Final answer
    x = 23,151.65

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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.