Home / 14,247.91-21,376.55-6,851.42

Finding the Fourth Proportional to 14,247.91, 21,376.55 and 6,851.42

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Solution

The fourth proportional to 14,247.91, 21,376.55 and 6,851.42 is: 10,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.91 : 21,376.55 = 6,851.42 : x
  2. Step 2: Convert to fraction form
    14,247.91/21,376.55 = 6,851.42/x
  3. Step 3: Cross multiply
    14,247.91x = 21,376.55 × 6,851.42
  4. Step 4: Simplify right side
    14,247.91x = 146,459,722.20
  5. Step 5: Solve for x
    x = 146,459,722.20/14,247.91
  6. Step 6: Final answer
    x = 10,279.38

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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.