Home / 19,446.30-29,145.45-13,206.30

Finding the Fourth Proportional to 19,446.30, 29,145.45 and 13,206.30

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Solution

The fourth proportional to 19,446.30, 29,145.45 and 13,206.30 is: 19,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.30 : 29,145.45 = 13,206.30 : x
  2. Step 2: Convert to fraction form
    19,446.30/29,145.45 = 13,206.30/x
  3. Step 3: Cross multiply
    19,446.30x = 29,145.45 × 13,206.30
  4. Step 4: Simplify right side
    19,446.30x = 384,903,556.34
  5. Step 5: Solve for x
    x = 384,903,556.34/19,446.30
  6. Step 6: Final answer
    x = 19,793.15

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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.