Home / 9,844.40-13,590.11-6,821.81

Finding the Fourth Proportional to 9,844.40, 13,590.11 and 6,821.81

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Solution

The fourth proportional to 9,844.40, 13,590.11 and 6,821.81 is: 9,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,844.40 : 13,590.11 = 6,821.81 : x
  2. Step 2: Convert to fraction form
    9,844.40/13,590.11 = 6,821.81/x
  3. Step 3: Cross multiply
    9,844.40x = 13,590.11 × 6,821.81
  4. Step 4: Simplify right side
    9,844.40x = 92,709,046.24
  5. Step 5: Solve for x
    x = 92,709,046.24/9,844.40
  6. Step 6: Final answer
    x = 9,417.44

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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.