Home / 13,960.08-19,261.80-8,294.40

Finding the Fourth Proportional to 13,960.08, 19,261.80 and 8,294.40

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Solution

The fourth proportional to 13,960.08, 19,261.80 and 8,294.40 is: 11,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.08 : 19,261.80 = 8,294.40 : x
  2. Step 2: Convert to fraction form
    13,960.08/19,261.80 = 8,294.40/x
  3. Step 3: Cross multiply
    13,960.08x = 19,261.80 × 8,294.40
  4. Step 4: Simplify right side
    13,960.08x = 159,765,073.92
  5. Step 5: Solve for x
    x = 159,765,073.92/13,960.08
  6. Step 6: Final answer
    x = 11,444.42

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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.