Home / 9,899.26-13,655.80-6,121.22

Finding the Fourth Proportional to 9,899.26, 13,655.80 and 6,121.22

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Solution

The fourth proportional to 9,899.26, 13,655.80 and 6,121.22 is: 8,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.26 : 13,655.80 = 6,121.22 : x
  2. Step 2: Convert to fraction form
    9,899.26/13,655.80 = 6,121.22/x
  3. Step 3: Cross multiply
    9,899.26x = 13,655.80 × 6,121.22
  4. Step 4: Simplify right side
    9,899.26x = 83,590,106.63
  5. Step 5: Solve for x
    x = 83,590,106.63/9,899.26
  6. Step 6: Final answer
    x = 8,444.08

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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.