Home / 18,246.21-25,182.35-11,079.74

Finding the Fourth Proportional to 18,246.21, 25,182.35 and 11,079.74

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Solution

The fourth proportional to 18,246.21, 25,182.35 and 11,079.74 is: 15,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.21 : 25,182.35 = 11,079.74 : x
  2. Step 2: Convert to fraction form
    18,246.21/25,182.35 = 11,079.74/x
  3. Step 3: Cross multiply
    18,246.21x = 25,182.35 × 11,079.74
  4. Step 4: Simplify right side
    18,246.21x = 279,013,709.28
  5. Step 5: Solve for x
    x = 279,013,709.28/18,246.21
  6. Step 6: Final answer
    x = 15,291.60

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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.