Home / 14,166.86-21,230.85-8,963.42

Finding the Fourth Proportional to 14,166.86, 21,230.85 and 8,963.42

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Solution

The fourth proportional to 14,166.86, 21,230.85 and 8,963.42 is: 13,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.86 : 21,230.85 = 8,963.42 : x
  2. Step 2: Convert to fraction form
    14,166.86/21,230.85 = 8,963.42/x
  3. Step 3: Cross multiply
    14,166.86x = 21,230.85 × 8,963.42
  4. Step 4: Simplify right side
    14,166.86x = 190,301,025.51
  5. Step 5: Solve for x
    x = 190,301,025.51/14,166.86
  6. Step 6: Final answer
    x = 13,432.83

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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.