Home / 15,413.15-23,119.71-4,321.47

Finding the Fourth Proportional to 15,413.15, 23,119.71 and 4,321.47

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Solution

The fourth proportional to 15,413.15, 23,119.71 and 4,321.47 is: 6,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.15 : 23,119.71 = 4,321.47 : x
  2. Step 2: Convert to fraction form
    15,413.15/23,119.71 = 4,321.47/x
  3. Step 3: Cross multiply
    15,413.15x = 23,119.71 × 4,321.47
  4. Step 4: Simplify right side
    15,413.15x = 99,911,133.17
  5. Step 5: Solve for x
    x = 99,911,133.17/15,413.15
  6. Step 6: Final answer
    x = 6,482.20

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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.