Home / 19,380.88-26,746.44-10,998.16

Finding the Fourth Proportional to 19,380.88, 26,746.44 and 10,998.16

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Solution

The fourth proportional to 19,380.88, 26,746.44 and 10,998.16 is: 15,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.88 : 26,746.44 = 10,998.16 : x
  2. Step 2: Convert to fraction form
    19,380.88/26,746.44 = 10,998.16/x
  3. Step 3: Cross multiply
    19,380.88x = 26,746.44 × 10,998.16
  4. Step 4: Simplify right side
    19,380.88x = 294,161,626.55
  5. Step 5: Solve for x
    x = 294,161,626.55/19,380.88
  6. Step 6: Final answer
    x = 15,177.93

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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.