Home / 12,848.36-19,276.43-9,107.36

Finding the Fourth Proportional to 12,848.36, 19,276.43 and 9,107.36

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Solution

The fourth proportional to 12,848.36, 19,276.43 and 9,107.36 is: 13,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.36 : 19,276.43 = 9,107.36 : x
  2. Step 2: Convert to fraction form
    12,848.36/19,276.43 = 9,107.36/x
  3. Step 3: Cross multiply
    12,848.36x = 19,276.43 × 9,107.36
  4. Step 4: Simplify right side
    12,848.36x = 175,557,387.52
  5. Step 5: Solve for x
    x = 175,557,387.52/12,848.36
  6. Step 6: Final answer
    x = 13,663.80

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1.5x scale

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.