Home / 9,517.84-13,122.03-7,810.09

Finding the Fourth Proportional to 9,517.84, 13,122.03 and 7,810.09

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Solution

The fourth proportional to 9,517.84, 13,122.03 and 7,810.09 is: 10,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.84 : 13,122.03 = 7,810.09 : x
  2. Step 2: Convert to fraction form
    9,517.84/13,122.03 = 7,810.09/x
  3. Step 3: Cross multiply
    9,517.84x = 13,122.03 × 7,810.09
  4. Step 4: Simplify right side
    9,517.84x = 102,484,186.08
  5. Step 5: Solve for x
    x = 102,484,186.08/9,517.84
  6. Step 6: Final answer
    x = 10,767.59

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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.