Home / 19,217.88-26,518.32-11,258.28

Finding the Fourth Proportional to 19,217.88, 26,518.32 and 11,258.28

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Solution

The fourth proportional to 19,217.88, 26,518.32 and 11,258.28 is: 15,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.88 : 26,518.32 = 11,258.28 : x
  2. Step 2: Convert to fraction form
    19,217.88/26,518.32 = 11,258.28/x
  3. Step 3: Cross multiply
    19,217.88x = 26,518.32 × 11,258.28
  4. Step 4: Simplify right side
    19,217.88x = 298,550,671.69
  5. Step 5: Solve for x
    x = 298,550,671.69/19,217.88
  6. Step 6: Final answer
    x = 15,535.05

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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.