Home / 11,290.95-16,962.60-7,087.11

Finding the Fourth Proportional to 11,290.95, 16,962.60 and 7,087.11

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Solution

The fourth proportional to 11,290.95, 16,962.60 and 7,087.11 is: 10,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.95 : 16,962.60 = 7,087.11 : x
  2. Step 2: Convert to fraction form
    11,290.95/16,962.60 = 7,087.11/x
  3. Step 3: Cross multiply
    11,290.95x = 16,962.60 × 7,087.11
  4. Step 4: Simplify right side
    11,290.95x = 120,215,812.09
  5. Step 5: Solve for x
    x = 120,215,812.09/11,290.95
  6. Step 6: Final answer
    x = 10,647.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.