Home / 14,008.22-21,010.59-5,680.23

Finding the Fourth Proportional to 14,008.22, 21,010.59 and 5,680.23

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Solution

The fourth proportional to 14,008.22, 21,010.59 and 5,680.23 is: 8,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.22 : 21,010.59 = 5,680.23 : x
  2. Step 2: Convert to fraction form
    14,008.22/21,010.59 = 5,680.23/x
  3. Step 3: Cross multiply
    14,008.22x = 21,010.59 × 5,680.23
  4. Step 4: Simplify right side
    14,008.22x = 119,344,904.85
  5. Step 5: Solve for x
    x = 119,344,904.85/14,008.22
  6. Step 6: Final answer
    x = 8,519.64

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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.