Home / 9,677.80-13,345.32-6,843.88

Finding the Fourth Proportional to 9,677.80, 13,345.32 and 6,843.88

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Solution

The fourth proportional to 9,677.80, 13,345.32 and 6,843.88 is: 9,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.80 : 13,345.32 = 6,843.88 : x
  2. Step 2: Convert to fraction form
    9,677.80/13,345.32 = 6,843.88/x
  3. Step 3: Cross multiply
    9,677.80x = 13,345.32 × 6,843.88
  4. Step 4: Simplify right side
    9,677.80x = 91,333,768.64
  5. Step 5: Solve for x
    x = 91,333,768.64/9,677.80
  6. Step 6: Final answer
    x = 9,437.45

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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.