Home / 18,411.36-25,406.96-10,027.68

Finding the Fourth Proportional to 18,411.36, 25,406.96 and 10,027.68

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Solution

The fourth proportional to 18,411.36, 25,406.96 and 10,027.68 is: 13,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.36 : 25,406.96 = 10,027.68 : x
  2. Step 2: Convert to fraction form
    18,411.36/25,406.96 = 10,027.68/x
  3. Step 3: Cross multiply
    18,411.36x = 25,406.96 × 10,027.68
  4. Step 4: Simplify right side
    18,411.36x = 254,772,864.65
  5. Step 5: Solve for x
    x = 254,772,864.65/18,411.36
  6. Step 6: Final answer
    x = 13,837.81

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1.5x scale

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.