Home / 9,910.22-13,677.84-7,528.07

Finding the Fourth Proportional to 9,910.22, 13,677.84 and 7,528.07

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Solution

The fourth proportional to 9,910.22, 13,677.84 and 7,528.07 is: 10,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.22 : 13,677.84 = 7,528.07 : x
  2. Step 2: Convert to fraction form
    9,910.22/13,677.84 = 7,528.07/x
  3. Step 3: Cross multiply
    9,910.22x = 13,677.84 × 7,528.07
  4. Step 4: Simplify right side
    9,910.22x = 102,967,771.16
  5. Step 5: Solve for x
    x = 102,967,771.16/9,910.22
  6. Step 6: Final answer
    x = 10,390.06

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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.