Home / 9,839.58-13,549.59-8,791.26

Finding the Fourth Proportional to 9,839.58, 13,549.59 and 8,791.26

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Solution

The fourth proportional to 9,839.58, 13,549.59 and 8,791.26 is: 12,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.58 : 13,549.59 = 8,791.26 : x
  2. Step 2: Convert to fraction form
    9,839.58/13,549.59 = 8,791.26/x
  3. Step 3: Cross multiply
    9,839.58x = 13,549.59 × 8,791.26
  4. Step 4: Simplify right side
    9,839.58x = 119,117,968.58
  5. Step 5: Solve for x
    x = 119,117,968.58/9,839.58
  6. Step 6: Final answer
    x = 12,106.00

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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.