Home / 18,789.01-25,901.72-15,246.07

Finding the Fourth Proportional to 18,789.01, 25,901.72 and 15,246.07

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Solution

The fourth proportional to 18,789.01, 25,901.72 and 15,246.07 is: 21,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.01 : 25,901.72 = 15,246.07 : x
  2. Step 2: Convert to fraction form
    18,789.01/25,901.72 = 15,246.07/x
  3. Step 3: Cross multiply
    18,789.01x = 25,901.72 × 15,246.07
  4. Step 4: Simplify right side
    18,789.01x = 394,899,360.01
  5. Step 5: Solve for x
    x = 394,899,360.01/18,789.01
  6. Step 6: Final answer
    x = 21,017.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.