Home / 14,018.68-19,344.90-7,731.04

Finding the Fourth Proportional to 14,018.68, 19,344.90 and 7,731.04

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Solution

The fourth proportional to 14,018.68, 19,344.90 and 7,731.04 is: 10,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.68 : 19,344.90 = 7,731.04 : x
  2. Step 2: Convert to fraction form
    14,018.68/19,344.90 = 7,731.04/x
  3. Step 3: Cross multiply
    14,018.68x = 19,344.90 × 7,731.04
  4. Step 4: Simplify right side
    14,018.68x = 149,556,195.70
  5. Step 5: Solve for x
    x = 149,556,195.70/14,018.68
  6. Step 6: Final answer
    x = 10,668.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.