Home / 19,512.48-26,924.40-11,555.04

Finding the Fourth Proportional to 19,512.48, 26,924.40 and 11,555.04

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Solution

The fourth proportional to 19,512.48, 26,924.40 and 11,555.04 is: 15,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.48 : 26,924.40 = 11,555.04 : x
  2. Step 2: Convert to fraction form
    19,512.48/26,924.40 = 11,555.04/x
  3. Step 3: Cross multiply
    19,512.48x = 26,924.40 × 11,555.04
  4. Step 4: Simplify right side
    19,512.48x = 311,112,518.98
  5. Step 5: Solve for x
    x = 311,112,518.98/19,512.48
  6. Step 6: Final answer
    x = 15,944.28

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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.