Home / 12,574.92-18,864.40-3,809.10

Finding the Fourth Proportional to 12,574.92, 18,864.40 and 3,809.10

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Solution

The fourth proportional to 12,574.92, 18,864.40 and 3,809.10 is: 5,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.92 : 18,864.40 = 3,809.10 : x
  2. Step 2: Convert to fraction form
    12,574.92/18,864.40 = 3,809.10/x
  3. Step 3: Cross multiply
    12,574.92x = 18,864.40 × 3,809.10
  4. Step 4: Simplify right side
    12,574.92x = 71,856,386.04
  5. Step 5: Solve for x
    x = 71,856,386.04/12,574.92
  6. Step 6: Final answer
    x = 5,714.26

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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.