Home / 14,109.93-21,165.33-4,249.28

Finding the Fourth Proportional to 14,109.93, 21,165.33 and 4,249.28

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Solution

The fourth proportional to 14,109.93, 21,165.33 and 4,249.28 is: 6,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.93 : 21,165.33 = 4,249.28 : x
  2. Step 2: Convert to fraction form
    14,109.93/21,165.33 = 4,249.28/x
  3. Step 3: Cross multiply
    14,109.93x = 21,165.33 × 4,249.28
  4. Step 4: Simplify right side
    14,109.93x = 89,937,413.46
  5. Step 5: Solve for x
    x = 89,937,413.46/14,109.93
  6. Step 6: Final answer
    x = 6,374.05

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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.