Home / 14,169.86-21,293.67-13,364.72

Finding the Fourth Proportional to 14,169.86, 21,293.67 and 13,364.72

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Solution

The fourth proportional to 14,169.86, 21,293.67 and 13,364.72 is: 20,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.86 : 21,293.67 = 13,364.72 : x
  2. Step 2: Convert to fraction form
    14,169.86/21,293.67 = 13,364.72/x
  3. Step 3: Cross multiply
    14,169.86x = 21,293.67 × 13,364.72
  4. Step 4: Simplify right side
    14,169.86x = 284,583,937.32
  5. Step 5: Solve for x
    x = 284,583,937.32/14,169.86
  6. Step 6: Final answer
    x = 20,083.75

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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.