Home / 19,440.12-26,824.32-11,055

Finding the Fourth Proportional to 19,440.12, 26,824.32 and 11,055

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Solution

The fourth proportional to 19,440.12, 26,824.32 and 11,055 is: 15,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.12 : 26,824.32 = 11,055 : x
  2. Step 2: Convert to fraction form
    19,440.12/26,824.32 = 11,055/x
  3. Step 3: Cross multiply
    19,440.12x = 26,824.32 × 11,055
  4. Step 4: Simplify right side
    19,440.12x = 296,542,857.60
  5. Step 5: Solve for x
    x = 296,542,857.60/19,440.12
  6. Step 6: Final answer
    x = 15,254.17

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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.