Home / 10,072.11-13,894.68-7,089.60

Finding the Fourth Proportional to 10,072.11, 13,894.68 and 7,089.60

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Solution

The fourth proportional to 10,072.11, 13,894.68 and 7,089.60 is: 9,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.11 : 13,894.68 = 7,089.60 : x
  2. Step 2: Convert to fraction form
    10,072.11/13,894.68 = 7,089.60/x
  3. Step 3: Cross multiply
    10,072.11x = 13,894.68 × 7,089.60
  4. Step 4: Simplify right side
    10,072.11x = 98,507,723.33
  5. Step 5: Solve for x
    x = 98,507,723.33/10,072.11
  6. Step 6: Final answer
    x = 9,780.25

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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.