Home / 12,795.47-19,169.81-9,276.76

Finding the Fourth Proportional to 12,795.47, 19,169.81 and 9,276.76

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Solution

The fourth proportional to 12,795.47, 19,169.81 and 9,276.76 is: 13,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.47 : 19,169.81 = 9,276.76 : x
  2. Step 2: Convert to fraction form
    12,795.47/19,169.81 = 9,276.76/x
  3. Step 3: Cross multiply
    12,795.47x = 19,169.81 × 9,276.76
  4. Step 4: Simplify right side
    12,795.47x = 177,833,584.38
  5. Step 5: Solve for x
    x = 177,833,584.38/12,795.47
  6. Step 6: Final answer
    x = 13,898.17

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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.