Home / 12,844.52-19,277.76-9,155.78

Finding the Fourth Proportional to 12,844.52, 19,277.76 and 9,155.78

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Solution

The fourth proportional to 12,844.52, 19,277.76 and 9,155.78 is: 13,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.52 : 19,277.76 = 9,155.78 : x
  2. Step 2: Convert to fraction form
    12,844.52/19,277.76 = 9,155.78/x
  3. Step 3: Cross multiply
    12,844.52x = 19,277.76 × 9,155.78
  4. Step 4: Simplify right side
    12,844.52x = 176,502,929.45
  5. Step 5: Solve for x
    x = 176,502,929.45/12,844.52
  6. Step 6: Final answer
    x = 13,741.50

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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.