Home / 10,291.14-14,202.43-6,311.71

Finding the Fourth Proportional to 10,291.14, 14,202.43 and 6,311.71

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Solution

The fourth proportional to 10,291.14, 14,202.43 and 6,311.71 is: 8,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.14 : 14,202.43 = 6,311.71 : x
  2. Step 2: Convert to fraction form
    10,291.14/14,202.43 = 6,311.71/x
  3. Step 3: Cross multiply
    10,291.14x = 14,202.43 × 6,311.71
  4. Step 4: Simplify right side
    10,291.14x = 89,641,603.68
  5. Step 5: Solve for x
    x = 89,641,603.68/10,291.14
  6. Step 6: Final answer
    x = 8,710.56

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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.