Home / 8,938.69-13,414.51-6,288.77

Finding the Fourth Proportional to 8,938.69, 13,414.51 and 6,288.77

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Solution

The fourth proportional to 8,938.69, 13,414.51 and 6,288.77 is: 9,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.69 : 13,414.51 = 6,288.77 : x
  2. Step 2: Convert to fraction form
    8,938.69/13,414.51 = 6,288.77/x
  3. Step 3: Cross multiply
    8,938.69x = 13,414.51 × 6,288.77
  4. Step 4: Simplify right side
    8,938.69x = 84,360,768.05
  5. Step 5: Solve for x
    x = 84,360,768.05/8,938.69
  6. Step 6: Final answer
    x = 9,437.71

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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.