Home / 11,026.71-15,224.81-6,783.48

Finding the Fourth Proportional to 11,026.71, 15,224.81 and 6,783.48

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Solution

The fourth proportional to 11,026.71, 15,224.81 and 6,783.48 is: 9,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.71 : 15,224.81 = 6,783.48 : x
  2. Step 2: Convert to fraction form
    11,026.71/15,224.81 = 6,783.48/x
  3. Step 3: Cross multiply
    11,026.71x = 15,224.81 × 6,783.48
  4. Step 4: Simplify right side
    11,026.71x = 103,277,160.22
  5. Step 5: Solve for x
    x = 103,277,160.22/11,026.71
  6. Step 6: Final answer
    x = 9,366.09

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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.