Home / 11,218.17-15,480.54-6,503.97

Finding the Fourth Proportional to 11,218.17, 15,480.54 and 6,503.97

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Solution

The fourth proportional to 11,218.17, 15,480.54 and 6,503.97 is: 8,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.17 : 15,480.54 = 6,503.97 : x
  2. Step 2: Convert to fraction form
    11,218.17/15,480.54 = 6,503.97/x
  3. Step 3: Cross multiply
    11,218.17x = 15,480.54 × 6,503.97
  4. Step 4: Simplify right side
    11,218.17x = 100,684,967.74
  5. Step 5: Solve for x
    x = 100,684,967.74/11,218.17
  6. Step 6: Final answer
    x = 8,975.17

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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.