Home / 10,289.10-15,426.45-4,046.70

Finding the Fourth Proportional to 10,289.10, 15,426.45 and 4,046.70

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Solution

The fourth proportional to 10,289.10, 15,426.45 and 4,046.70 is: 6,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.10 : 15,426.45 = 4,046.70 : x
  2. Step 2: Convert to fraction form
    10,289.10/15,426.45 = 4,046.70/x
  3. Step 3: Cross multiply
    10,289.10x = 15,426.45 × 4,046.70
  4. Step 4: Simplify right side
    10,289.10x = 62,426,215.22
  5. Step 5: Solve for x
    x = 62,426,215.22/10,289.10
  6. Step 6: Final answer
    x = 6,067.22

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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.