Home / 9,188.32-12,679.98-4,996.60

Finding the Fourth Proportional to 9,188.32, 12,679.98 and 4,996.60

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Solution

The fourth proportional to 9,188.32, 12,679.98 and 4,996.60 is: 6,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.32 : 12,679.98 = 4,996.60 : x
  2. Step 2: Convert to fraction form
    9,188.32/12,679.98 = 4,996.60/x
  3. Step 3: Cross multiply
    9,188.32x = 12,679.98 × 4,996.60
  4. Step 4: Simplify right side
    9,188.32x = 63,356,788.07
  5. Step 5: Solve for x
    x = 63,356,788.07/9,188.32
  6. Step 6: Final answer
    x = 6,895.36

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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.