Home / 12,619.13-17,398.22-10,342.08

Finding the Fourth Proportional to 12,619.13, 17,398.22 and 10,342.08

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Solution

The fourth proportional to 12,619.13, 17,398.22 and 10,342.08 is: 14,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.13 : 17,398.22 = 10,342.08 : x
  2. Step 2: Convert to fraction form
    12,619.13/17,398.22 = 10,342.08/x
  3. Step 3: Cross multiply
    12,619.13x = 17,398.22 × 10,342.08
  4. Step 4: Simplify right side
    12,619.13x = 179,933,835.41
  5. Step 5: Solve for x
    x = 179,933,835.41/12,619.13
  6. Step 6: Final answer
    x = 14,258.82

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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.