Home / 18,424.32-25,425.62-10,040.82

Finding the Fourth Proportional to 18,424.32, 25,425.62 and 10,040.82

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Solution

The fourth proportional to 18,424.32, 25,425.62 and 10,040.82 is: 13,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.32 : 25,425.62 = 10,040.82 : x
  2. Step 2: Convert to fraction form
    18,424.32/25,425.62 = 10,040.82/x
  3. Step 3: Cross multiply
    18,424.32x = 25,425.62 × 10,040.82
  4. Step 4: Simplify right side
    18,424.32x = 255,294,073.81
  5. Step 5: Solve for x
    x = 255,294,073.81/18,424.32
  6. Step 6: Final answer
    x = 13,856.36

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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.