Home / 14,146.85-21,223.92-5,376.98

Finding the Fourth Proportional to 14,146.85, 21,223.92 and 5,376.98

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Solution

The fourth proportional to 14,146.85, 21,223.92 and 5,376.98 is: 8,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.85 : 21,223.92 = 5,376.98 : x
  2. Step 2: Convert to fraction form
    14,146.85/21,223.92 = 5,376.98/x
  3. Step 3: Cross multiply
    14,146.85x = 21,223.92 × 5,376.98
  4. Step 4: Simplify right side
    14,146.85x = 114,120,666.59
  5. Step 5: Solve for x
    x = 114,120,666.59/14,146.85
  6. Step 6: Final answer
    x = 8,066.86

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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.