Home / 13,429.34-20,111.20-11,592.26

Finding the Fourth Proportional to 13,429.34, 20,111.20 and 11,592.26

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Solution

The fourth proportional to 13,429.34, 20,111.20 and 11,592.26 is: 17,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.34 : 20,111.20 = 11,592.26 : x
  2. Step 2: Convert to fraction form
    13,429.34/20,111.20 = 11,592.26/x
  3. Step 3: Cross multiply
    13,429.34x = 20,111.20 × 11,592.26
  4. Step 4: Simplify right side
    13,429.34x = 233,134,383.52
  5. Step 5: Solve for x
    x = 233,134,383.52/13,429.34
  6. Step 6: Final answer
    x = 17,360.07

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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.