Home / 8,698.49-13,036.80-6,238.11

Finding the Fourth Proportional to 8,698.49, 13,036.80 and 6,238.11

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Solution

The fourth proportional to 8,698.49, 13,036.80 and 6,238.11 is: 9,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.49 : 13,036.80 = 6,238.11 : x
  2. Step 2: Convert to fraction form
    8,698.49/13,036.80 = 6,238.11/x
  3. Step 3: Cross multiply
    8,698.49x = 13,036.80 × 6,238.11
  4. Step 4: Simplify right side
    8,698.49x = 81,325,029.64
  5. Step 5: Solve for x
    x = 81,325,029.64/8,698.49
  6. Step 6: Final answer
    x = 9,349.33

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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.