Home / 13,173.64-19,774.38-12,876.17

Finding the Fourth Proportional to 13,173.64, 19,774.38 and 12,876.17

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Solution

The fourth proportional to 13,173.64, 19,774.38 and 12,876.17 is: 19,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.64 : 19,774.38 = 12,876.17 : x
  2. Step 2: Convert to fraction form
    13,173.64/19,774.38 = 12,876.17/x
  3. Step 3: Cross multiply
    13,173.64x = 19,774.38 × 12,876.17
  4. Step 4: Simplify right side
    13,173.64x = 254,618,278.52
  5. Step 5: Solve for x
    x = 254,618,278.52/13,173.64
  6. Step 6: Final answer
    x = 19,327.87

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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.