Home / 15,227.24-21,040.98-11,878.52

Finding the Fourth Proportional to 15,227.24, 21,040.98 and 11,878.52

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Solution

The fourth proportional to 15,227.24, 21,040.98 and 11,878.52 is: 16,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.24 : 21,040.98 = 11,878.52 : x
  2. Step 2: Convert to fraction form
    15,227.24/21,040.98 = 11,878.52/x
  3. Step 3: Cross multiply
    15,227.24x = 21,040.98 × 11,878.52
  4. Step 4: Simplify right side
    15,227.24x = 249,935,701.75
  5. Step 5: Solve for x
    x = 249,935,701.75/15,227.24
  6. Step 6: Final answer
    x = 16,413.72

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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.