Home / 9,187.90-12,679.27-4,996.15

Finding the Fourth Proportional to 9,187.90, 12,679.27 and 4,996.15

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Solution

The fourth proportional to 9,187.90, 12,679.27 and 4,996.15 is: 6,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.90 : 12,679.27 = 4,996.15 : x
  2. Step 2: Convert to fraction form
    9,187.90/12,679.27 = 4,996.15/x
  3. Step 3: Cross multiply
    9,187.90x = 12,679.27 × 4,996.15
  4. Step 4: Simplify right side
    9,187.90x = 63,347,490.62
  5. Step 5: Solve for x
    x = 63,347,490.62/9,187.90
  6. Step 6: Final answer
    x = 6,894.67

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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.