Home / 9,069.90-12,517.92-8,476.98

Finding the Fourth Proportional to 9,069.90, 12,517.92 and 8,476.98

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Solution

The fourth proportional to 9,069.90, 12,517.92 and 8,476.98 is: 11,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.90 : 12,517.92 = 8,476.98 : x
  2. Step 2: Convert to fraction form
    9,069.90/12,517.92 = 8,476.98/x
  3. Step 3: Cross multiply
    9,069.90x = 12,517.92 × 8,476.98
  4. Step 4: Simplify right side
    9,069.90x = 106,114,157.48
  5. Step 5: Solve for x
    x = 106,114,157.48/9,069.90
  6. Step 6: Final answer
    x = 11,699.60

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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.