Home / 12,867.76-17,757.76-10,038.33

Finding the Fourth Proportional to 12,867.76, 17,757.76 and 10,038.33

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Solution

The fourth proportional to 12,867.76, 17,757.76 and 10,038.33 is: 13,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.76 : 17,757.76 = 10,038.33 : x
  2. Step 2: Convert to fraction form
    12,867.76/17,757.76 = 10,038.33/x
  3. Step 3: Cross multiply
    12,867.76x = 17,757.76 × 10,038.33
  4. Step 4: Simplify right side
    12,867.76x = 178,258,220.43
  5. Step 5: Solve for x
    x = 178,258,220.43/12,867.76
  6. Step 6: Final answer
    x = 13,853.09

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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.