Home / 18,015.53-26,987.47-14,101.61

Finding the Fourth Proportional to 18,015.53, 26,987.47 and 14,101.61

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Solution

The fourth proportional to 18,015.53, 26,987.47 and 14,101.61 is: 21,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.53 : 26,987.47 = 14,101.61 : x
  2. Step 2: Convert to fraction form
    18,015.53/26,987.47 = 14,101.61/x
  3. Step 3: Cross multiply
    18,015.53x = 26,987.47 × 14,101.61
  4. Step 4: Simplify right side
    18,015.53x = 380,566,606.64
  5. Step 5: Solve for x
    x = 380,566,606.64/18,015.53
  6. Step 6: Final answer
    x = 21,124.37

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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.