Home / 14,057.32-19,398.84-7,769.56

Finding the Fourth Proportional to 14,057.32, 19,398.84 and 7,769.56

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Solution

The fourth proportional to 14,057.32, 19,398.84 and 7,769.56 is: 10,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.32 : 19,398.84 = 7,769.56 : x
  2. Step 2: Convert to fraction form
    14,057.32/19,398.84 = 7,769.56/x
  3. Step 3: Cross multiply
    14,057.32x = 19,398.84 × 7,769.56
  4. Step 4: Simplify right side
    14,057.32x = 150,720,451.31
  5. Step 5: Solve for x
    x = 150,720,451.31/14,057.32
  6. Step 6: Final answer
    x = 10,721.85

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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.