Home / 12,875.97-19,210.38-11,472.60

Finding the Fourth Proportional to 12,875.97, 19,210.38 and 11,472.60

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Solution

The fourth proportional to 12,875.97, 19,210.38 and 11,472.60 is: 17,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.97 : 19,210.38 = 11,472.60 : x
  2. Step 2: Convert to fraction form
    12,875.97/19,210.38 = 11,472.60/x
  3. Step 3: Cross multiply
    12,875.97x = 19,210.38 × 11,472.60
  4. Step 4: Simplify right side
    12,875.97x = 220,393,005.59
  5. Step 5: Solve for x
    x = 220,393,005.59/12,875.97
  6. Step 6: Final answer
    x = 17,116.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.