Home / 12,927.17-19,260.72-12,078.36

Finding the Fourth Proportional to 12,927.17, 19,260.72 and 12,078.36

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Solution

The fourth proportional to 12,927.17, 19,260.72 and 12,078.36 is: 17,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.17 : 19,260.72 = 12,078.36 : x
  2. Step 2: Convert to fraction form
    12,927.17/19,260.72 = 12,078.36/x
  3. Step 3: Cross multiply
    12,927.17x = 19,260.72 × 12,078.36
  4. Step 4: Simplify right side
    12,927.17x = 232,637,910.02
  5. Step 5: Solve for x
    x = 232,637,910.02/12,927.17
  6. Step 6: Final answer
    x = 17,996.05

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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.