Home / 15,271.92-22,901.40-5,413.68

Finding the Fourth Proportional to 15,271.92, 22,901.40 and 5,413.68

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Solution

The fourth proportional to 15,271.92, 22,901.40 and 5,413.68 is: 8,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.92 : 22,901.40 = 5,413.68 : x
  2. Step 2: Convert to fraction form
    15,271.92/22,901.40 = 5,413.68/x
  3. Step 3: Cross multiply
    15,271.92x = 22,901.40 × 5,413.68
  4. Step 4: Simplify right side
    15,271.92x = 123,980,851.15
  5. Step 5: Solve for x
    x = 123,980,851.15/15,271.92
  6. Step 6: Final answer
    x = 8,118.22

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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.