Home / 9,077.90-13,616.85-6,860.30

Finding the Fourth Proportional to 9,077.90, 13,616.85 and 6,860.30

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Solution

The fourth proportional to 9,077.90, 13,616.85 and 6,860.30 is: 10,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.90 : 13,616.85 = 6,860.30 : x
  2. Step 2: Convert to fraction form
    9,077.90/13,616.85 = 6,860.30/x
  3. Step 3: Cross multiply
    9,077.90x = 13,616.85 × 6,860.30
  4. Step 4: Simplify right side
    9,077.90x = 93,415,676.06
  5. Step 5: Solve for x
    x = 93,415,676.06/9,077.90
  6. Step 6: Final answer
    x = 10,290.45

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Similar ratio
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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.