Home / 13,864.50-19,133.43-7,577.28

Finding the Fourth Proportional to 13,864.50, 19,133.43 and 7,577.28

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Solution

The fourth proportional to 13,864.50, 19,133.43 and 7,577.28 is: 10,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.50 : 19,133.43 = 7,577.28 : x
  2. Step 2: Convert to fraction form
    13,864.50/19,133.43 = 7,577.28/x
  3. Step 3: Cross multiply
    13,864.50x = 19,133.43 × 7,577.28
  4. Step 4: Simplify right side
    13,864.50x = 144,979,356.47
  5. Step 5: Solve for x
    x = 144,979,356.47/13,864.50
  6. Step 6: Final answer
    x = 10,456.88

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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.