Home / 19,132.50-26,398.76-11,171.12

Finding the Fourth Proportional to 19,132.50, 26,398.76 and 11,171.12

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Solution

The fourth proportional to 19,132.50, 26,398.76 and 11,171.12 is: 15,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.50 : 26,398.76 = 11,171.12 : x
  2. Step 2: Convert to fraction form
    19,132.50/26,398.76 = 11,171.12/x
  3. Step 3: Cross multiply
    19,132.50x = 26,398.76 × 11,171.12
  4. Step 4: Simplify right side
    19,132.50x = 294,903,527.96
  5. Step 5: Solve for x
    x = 294,903,527.96/19,132.50
  6. Step 6: Final answer
    x = 15,413.74

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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.