Home / 15,793.11-21,785.36-10,204.11

Finding the Fourth Proportional to 15,793.11, 21,785.36 and 10,204.11

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Solution

The fourth proportional to 15,793.11, 21,785.36 and 10,204.11 is: 14,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.11 : 21,785.36 = 10,204.11 : x
  2. Step 2: Convert to fraction form
    15,793.11/21,785.36 = 10,204.11/x
  3. Step 3: Cross multiply
    15,793.11x = 21,785.36 × 10,204.11
  4. Step 4: Simplify right side
    15,793.11x = 222,300,158.81
  5. Step 5: Solve for x
    x = 222,300,158.81/15,793.11
  6. Step 6: Final answer
    x = 14,075.77

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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.