Home / 18,717.30-28,061.05-10,810.82

Finding the Fourth Proportional to 18,717.30, 28,061.05 and 10,810.82

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Solution

The fourth proportional to 18,717.30, 28,061.05 and 10,810.82 is: 16,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.30 : 28,061.05 = 10,810.82 : x
  2. Step 2: Convert to fraction form
    18,717.30/28,061.05 = 10,810.82/x
  3. Step 3: Cross multiply
    18,717.30x = 28,061.05 × 10,810.82
  4. Step 4: Simplify right side
    18,717.30x = 303,362,960.56
  5. Step 5: Solve for x
    x = 303,362,960.56/18,717.30
  6. Step 6: Final answer
    x = 16,207.62

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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.