Home / 11,550.78-15,946.20-8,892.36

Finding the Fourth Proportional to 11,550.78, 15,946.20 and 8,892.36

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Solution

The fourth proportional to 11,550.78, 15,946.20 and 8,892.36 is: 12,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.78 : 15,946.20 = 8,892.36 : x
  2. Step 2: Convert to fraction form
    11,550.78/15,946.20 = 8,892.36/x
  3. Step 3: Cross multiply
    11,550.78x = 15,946.20 × 8,892.36
  4. Step 4: Simplify right side
    11,550.78x = 141,799,351.03
  5. Step 5: Solve for x
    x = 141,799,351.03/11,550.78
  6. Step 6: Final answer
    x = 12,276.17

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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.