Home / 19,907.66-27,472.70-10,954.91

Finding the Fourth Proportional to 19,907.66, 27,472.70 and 10,954.91

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Solution

The fourth proportional to 19,907.66, 27,472.70 and 10,954.91 is: 15,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.66 : 27,472.70 = 10,954.91 : x
  2. Step 2: Convert to fraction form
    19,907.66/27,472.70 = 10,954.91/x
  3. Step 3: Cross multiply
    19,907.66x = 27,472.70 × 10,954.91
  4. Step 4: Simplify right side
    19,907.66x = 300,960,955.96
  5. Step 5: Solve for x
    x = 300,960,955.96/19,907.66
  6. Step 6: Final answer
    x = 15,117.85

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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.