Home / 18,153.30-25,044.21-11,427.06

Finding the Fourth Proportional to 18,153.30, 25,044.21 and 11,427.06

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Solution

The fourth proportional to 18,153.30, 25,044.21 and 11,427.06 is: 15,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.30 : 25,044.21 = 11,427.06 : x
  2. Step 2: Convert to fraction form
    18,153.30/25,044.21 = 11,427.06/x
  3. Step 3: Cross multiply
    18,153.30x = 25,044.21 × 11,427.06
  4. Step 4: Simplify right side
    18,153.30x = 286,181,690.32
  5. Step 5: Solve for x
    x = 286,181,690.32/18,153.30
  6. Step 6: Final answer
    x = 15,764.72

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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.