Home / 13,026.96-17,966.52-7,717.68

Finding the Fourth Proportional to 13,026.96, 17,966.52 and 7,717.68

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Solution

The fourth proportional to 13,026.96, 17,966.52 and 7,717.68 is: 10,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.96 : 17,966.52 = 7,717.68 : x
  2. Step 2: Convert to fraction form
    13,026.96/17,966.52 = 7,717.68/x
  3. Step 3: Cross multiply
    13,026.96x = 17,966.52 × 7,717.68
  4. Step 4: Simplify right side
    13,026.96x = 138,659,852.07
  5. Step 5: Solve for x
    x = 138,659,852.07/13,026.96
  6. Step 6: Final answer
    x = 10,644.07

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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.