Home / 13,008.70-19,514.67-4,687.30

Finding the Fourth Proportional to 13,008.70, 19,514.67 and 4,687.30

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Solution

The fourth proportional to 13,008.70, 19,514.67 and 4,687.30 is: 7,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.70 : 19,514.67 = 4,687.30 : x
  2. Step 2: Convert to fraction form
    13,008.70/19,514.67 = 4,687.30/x
  3. Step 3: Cross multiply
    13,008.70x = 19,514.67 × 4,687.30
  4. Step 4: Simplify right side
    13,008.70x = 91,471,112.69
  5. Step 5: Solve for x
    x = 91,471,112.69/13,008.70
  6. Step 6: Final answer
    x = 7,031.53

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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.