Home / 18,774.35-25,877.67-13,325.30

Finding the Fourth Proportional to 18,774.35, 25,877.67 and 13,325.30

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Solution

The fourth proportional to 18,774.35, 25,877.67 and 13,325.30 is: 18,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.35 : 25,877.67 = 13,325.30 : x
  2. Step 2: Convert to fraction form
    18,774.35/25,877.67 = 13,325.30/x
  3. Step 3: Cross multiply
    18,774.35x = 25,877.67 × 13,325.30
  4. Step 4: Simplify right side
    18,774.35x = 344,827,649.42
  5. Step 5: Solve for x
    x = 344,827,649.42/18,774.35
  6. Step 6: Final answer
    x = 18,366.96

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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.