Home / 12,092.60-18,117.30-9,889.40

Finding the Fourth Proportional to 12,092.60, 18,117.30 and 9,889.40

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Solution

The fourth proportional to 12,092.60, 18,117.30 and 9,889.40 is: 14,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.60 : 18,117.30 = 9,889.40 : x
  2. Step 2: Convert to fraction form
    12,092.60/18,117.30 = 9,889.40/x
  3. Step 3: Cross multiply
    12,092.60x = 18,117.30 × 9,889.40
  4. Step 4: Simplify right side
    12,092.60x = 179,169,226.62
  5. Step 5: Solve for x
    x = 179,169,226.62/12,092.60
  6. Step 6: Final answer
    x = 14,816.44

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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.