Home / 10,283.40-15,426.18-3,357

Finding the Fourth Proportional to 10,283.40, 15,426.18 and 3,357

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Solution

The fourth proportional to 10,283.40, 15,426.18 and 3,357 is: 5,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.40 : 15,426.18 = 3,357 : x
  2. Step 2: Convert to fraction form
    10,283.40/15,426.18 = 3,357/x
  3. Step 3: Cross multiply
    10,283.40x = 15,426.18 × 3,357
  4. Step 4: Simplify right side
    10,283.40x = 51,785,686.26
  5. Step 5: Solve for x
    x = 51,785,686.26/10,283.40
  6. Step 6: Final answer
    x = 5,035.85

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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.