Home / 19,356.54-29,015.20-13,117.18

Finding the Fourth Proportional to 19,356.54, 29,015.20 and 13,117.18

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Solution

The fourth proportional to 19,356.54, 29,015.20 and 13,117.18 is: 19,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.54 : 29,015.20 = 13,117.18 : x
  2. Step 2: Convert to fraction form
    19,356.54/29,015.20 = 13,117.18/x
  3. Step 3: Cross multiply
    19,356.54x = 29,015.20 × 13,117.18
  4. Step 4: Simplify right side
    19,356.54x = 380,597,535.55
  5. Step 5: Solve for x
    x = 380,597,535.55/19,356.54
  6. Step 6: Final answer
    x = 19,662.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.