Home / 12,848-19,275.90-9,107.02

Finding the Fourth Proportional to 12,848, 19,275.90 and 9,107.02

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Solution

The fourth proportional to 12,848, 19,275.90 and 9,107.02 is: 13,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848 : 19,275.90 = 9,107.02 : x
  2. Step 2: Convert to fraction form
    12,848/19,275.90 = 9,107.02/x
  3. Step 3: Cross multiply
    12,848x = 19,275.90 × 9,107.02
  4. Step 4: Simplify right side
    12,848x = 175,546,006.82
  5. Step 5: Solve for x
    x = 175,546,006.82/12,848
  6. Step 6: Final answer
    x = 13,663.29

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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.