Home / 18,819.08-25,970.36-11,265.72

Finding the Fourth Proportional to 18,819.08, 25,970.36 and 11,265.72

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Solution

The fourth proportional to 18,819.08, 25,970.36 and 11,265.72 is: 15,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.08 : 25,970.36 = 11,265.72 : x
  2. Step 2: Convert to fraction form
    18,819.08/25,970.36 = 11,265.72/x
  3. Step 3: Cross multiply
    18,819.08x = 25,970.36 × 11,265.72
  4. Step 4: Simplify right side
    18,819.08x = 292,574,804.06
  5. Step 5: Solve for x
    x = 292,574,804.06/18,819.08
  6. Step 6: Final answer
    x = 15,546.71

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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.