Home / 13,966.88-19,278.81-8,944.63

Finding the Fourth Proportional to 13,966.88, 19,278.81 and 8,944.63

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Solution

The fourth proportional to 13,966.88, 19,278.81 and 8,944.63 is: 12,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.88 : 19,278.81 = 8,944.63 : x
  2. Step 2: Convert to fraction form
    13,966.88/19,278.81 = 8,944.63/x
  3. Step 3: Cross multiply
    13,966.88x = 19,278.81 × 8,944.63
  4. Step 4: Simplify right side
    13,966.88x = 172,441,774.09
  5. Step 5: Solve for x
    x = 172,441,774.09/13,966.88
  6. Step 6: Final answer
    x = 12,346.48

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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.