Home / 18,824.76-25,971.30-11,271.32

Finding the Fourth Proportional to 18,824.76, 25,971.30 and 11,271.32

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Solution

The fourth proportional to 18,824.76, 25,971.30 and 11,271.32 is: 15,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.76 : 25,971.30 = 11,271.32 : x
  2. Step 2: Convert to fraction form
    18,824.76/25,971.30 = 11,271.32/x
  3. Step 3: Cross multiply
    18,824.76x = 25,971.30 × 11,271.32
  4. Step 4: Simplify right side
    18,824.76x = 292,730,833.12
  5. Step 5: Solve for x
    x = 292,730,833.12/18,824.76
  6. Step 6: Final answer
    x = 15,550.31

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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.