Home / 14,166.86-21,251.00-5,402.45

Finding the Fourth Proportional to 14,166.86, 21,251.00 and 5,402.45

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Solution

The fourth proportional to 14,166.86, 21,251.00 and 5,402.45 is: 8,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.86 : 21,251.00 = 5,402.45 : x
  2. Step 2: Convert to fraction form
    14,166.86/21,251.00 = 5,402.45/x
  3. Step 3: Cross multiply
    14,166.86x = 21,251.00 × 5,402.45
  4. Step 4: Simplify right side
    14,166.86x = 114,807,531.58
  5. Step 5: Solve for x
    x = 114,807,531.58/14,166.86
  6. Step 6: Final answer
    x = 8,103.95

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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.