Home / 14,304.12-21,439.56-5,413.79

Finding the Fourth Proportional to 14,304.12, 21,439.56 and 5,413.79

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Solution

The fourth proportional to 14,304.12, 21,439.56 and 5,413.79 is: 8,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.12 : 21,439.56 = 5,413.79 : x
  2. Step 2: Convert to fraction form
    14,304.12/21,439.56 = 5,413.79/x
  3. Step 3: Cross multiply
    14,304.12x = 21,439.56 × 5,413.79
  4. Step 4: Simplify right side
    14,304.12x = 116,069,329.13
  5. Step 5: Solve for x
    x = 116,069,329.13/14,304.12
  6. Step 6: Final answer
    x = 8,114.40

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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.