Home / 14,098.13-21,148.62-5,215.80

Finding the Fourth Proportional to 14,098.13, 21,148.62 and 5,215.80

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Solution

The fourth proportional to 14,098.13, 21,148.62 and 5,215.80 is: 7,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.13 : 21,148.62 = 5,215.80 : x
  2. Step 2: Convert to fraction form
    14,098.13/21,148.62 = 5,215.80/x
  3. Step 3: Cross multiply
    14,098.13x = 21,148.62 × 5,215.80
  4. Step 4: Simplify right side
    14,098.13x = 110,306,952.64
  5. Step 5: Solve for x
    x = 110,306,952.64/14,098.13
  6. Step 6: Final answer
    x = 7,824.23

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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.