Home / 9,859.14-13,589.37-6,988.80

Finding the Fourth Proportional to 9,859.14, 13,589.37 and 6,988.80

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Solution

The fourth proportional to 9,859.14, 13,589.37 and 6,988.80 is: 9,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.14 : 13,589.37 = 6,988.80 : x
  2. Step 2: Convert to fraction form
    9,859.14/13,589.37 = 6,988.80/x
  3. Step 3: Cross multiply
    9,859.14x = 13,589.37 × 6,988.80
  4. Step 4: Simplify right side
    9,859.14x = 94,973,389.06
  5. Step 5: Solve for x
    x = 94,973,389.06/9,859.14
  6. Step 6: Final answer
    x = 9,633.03

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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.