Home / 15,413.96-23,122.28-5,417.86

Finding the Fourth Proportional to 15,413.96, 23,122.28 and 5,417.86

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Solution

The fourth proportional to 15,413.96, 23,122.28 and 5,417.86 is: 8,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.96 : 23,122.28 = 5,417.86 : x
  2. Step 2: Convert to fraction form
    15,413.96/23,122.28 = 5,417.86/x
  3. Step 3: Cross multiply
    15,413.96x = 23,122.28 × 5,417.86
  4. Step 4: Simplify right side
    15,413.96x = 125,273,275.92
  5. Step 5: Solve for x
    x = 125,273,275.92/15,413.96
  6. Step 6: Final answer
    x = 8,127.26

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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.