Home / 19,909.76-27,474.43-10,955.53

Finding the Fourth Proportional to 19,909.76, 27,474.43 and 10,955.53

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Solution

The fourth proportional to 19,909.76, 27,474.43 and 10,955.53 is: 15,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.76 : 27,474.43 = 10,955.53 : x
  2. Step 2: Convert to fraction form
    19,909.76/27,474.43 = 10,955.53/x
  3. Step 3: Cross multiply
    19,909.76x = 27,474.43 × 10,955.53
  4. Step 4: Simplify right side
    19,909.76x = 300,996,942.10
  5. Step 5: Solve for x
    x = 300,996,942.10/19,909.76
  6. Step 6: Final answer
    x = 15,118.06

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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.