Home / 12,749.00-17,588.70-9,399.76

Finding the Fourth Proportional to 12,749.00, 17,588.70 and 9,399.76

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Solution

The fourth proportional to 12,749.00, 17,588.70 and 9,399.76 is: 12,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.00 : 17,588.70 = 9,399.76 : x
  2. Step 2: Convert to fraction form
    12,749.00/17,588.70 = 9,399.76/x
  3. Step 3: Cross multiply
    12,749.00x = 17,588.70 × 9,399.76
  4. Step 4: Simplify right side
    12,749.00x = 165,329,514.74
  5. Step 5: Solve for x
    x = 165,329,514.74/12,749.00
  6. Step 6: Final answer
    x = 12,968.04

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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.