Home / 43,214.14-64,821.20-10,382.14

Finding the Fourth Proportional to 43,214.14, 64,821.20 and 10,382.14

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Solution

The fourth proportional to 43,214.14, 64,821.20 and 10,382.14 is: 15,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.14 : 64,821.20 = 10,382.14 : x
  2. Step 2: Convert to fraction form
    43,214.14/64,821.20 = 10,382.14/x
  3. Step 3: Cross multiply
    43,214.14x = 64,821.20 × 10,382.14
  4. Step 4: Simplify right side
    43,214.14x = 672,982,721.46
  5. Step 5: Solve for x
    x = 672,982,721.46/43,214.14
  6. Step 6: Final answer
    x = 15,573.21

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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.