Home / 19,518.18-26,928.36-11,019.24

Finding the Fourth Proportional to 19,518.18, 26,928.36 and 11,019.24

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Solution

The fourth proportional to 19,518.18, 26,928.36 and 11,019.24 is: 15,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.18 : 26,928.36 = 11,019.24 : x
  2. Step 2: Convert to fraction form
    19,518.18/26,928.36 = 11,019.24/x
  3. Step 3: Cross multiply
    19,518.18x = 26,928.36 × 11,019.24
  4. Step 4: Simplify right side
    19,518.18x = 296,730,061.65
  5. Step 5: Solve for x
    x = 296,730,061.65/19,518.18
  6. Step 6: Final answer
    x = 15,202.75

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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.