Home / 8,947.76-13,410.84-6,465.38

Finding the Fourth Proportional to 8,947.76, 13,410.84 and 6,465.38

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Solution

The fourth proportional to 8,947.76, 13,410.84 and 6,465.38 is: 9,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.76 : 13,410.84 = 6,465.38 : x
  2. Step 2: Convert to fraction form
    8,947.76/13,410.84 = 6,465.38/x
  3. Step 3: Cross multiply
    8,947.76x = 13,410.84 × 6,465.38
  4. Step 4: Simplify right side
    8,947.76x = 86,706,176.72
  5. Step 5: Solve for x
    x = 86,706,176.72/8,947.76
  6. Step 6: Final answer
    x = 9,690.27

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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.