Home / 19,340.01-26,687.21-11,381.76

Finding the Fourth Proportional to 19,340.01, 26,687.21 and 11,381.76

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Solution

The fourth proportional to 19,340.01, 26,687.21 and 11,381.76 is: 15,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.01 : 26,687.21 = 11,381.76 : x
  2. Step 2: Convert to fraction form
    19,340.01/26,687.21 = 11,381.76/x
  3. Step 3: Cross multiply
    19,340.01x = 26,687.21 × 11,381.76
  4. Step 4: Simplify right side
    19,340.01x = 303,747,419.29
  5. Step 5: Solve for x
    x = 303,747,419.29/19,340.01
  6. Step 6: Final answer
    x = 15,705.65

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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.