Home / 13,936.86-19,248.83-9,178.08

Finding the Fourth Proportional to 13,936.86, 19,248.83 and 9,178.08

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Solution

The fourth proportional to 13,936.86, 19,248.83 and 9,178.08 is: 12,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.86 : 19,248.83 = 9,178.08 : x
  2. Step 2: Convert to fraction form
    13,936.86/19,248.83 = 9,178.08/x
  3. Step 3: Cross multiply
    13,936.86x = 19,248.83 × 9,178.08
  4. Step 4: Simplify right side
    13,936.86x = 176,667,301.65
  5. Step 5: Solve for x
    x = 176,667,301.65/13,936.86
  6. Step 6: Final answer
    x = 12,676.26

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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.