Home / 18,819.37-25,971.59-11,264.28

Finding the Fourth Proportional to 18,819.37, 25,971.59 and 11,264.28

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Solution

The fourth proportional to 18,819.37, 25,971.59 and 11,264.28 is: 15,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.37 : 25,971.59 = 11,264.28 : x
  2. Step 2: Convert to fraction form
    18,819.37/25,971.59 = 11,264.28/x
  3. Step 3: Cross multiply
    18,819.37x = 25,971.59 × 11,264.28
  4. Step 4: Simplify right side
    18,819.37x = 292,551,261.81
  5. Step 5: Solve for x
    x = 292,551,261.81/18,819.37
  6. Step 6: Final answer
    x = 15,545.22

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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.