Home / 18,675.36-25,772.52-10,291.86

Finding the Fourth Proportional to 18,675.36, 25,772.52 and 10,291.86

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Solution

The fourth proportional to 18,675.36, 25,772.52 and 10,291.86 is: 14,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.36 : 25,772.52 = 10,291.86 : x
  2. Step 2: Convert to fraction form
    18,675.36/25,772.52 = 10,291.86/x
  3. Step 3: Cross multiply
    18,675.36x = 25,772.52 × 10,291.86
  4. Step 4: Simplify right side
    18,675.36x = 265,247,167.69
  5. Step 5: Solve for x
    x = 265,247,167.69/18,675.36
  6. Step 6: Final answer
    x = 14,203.06

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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.