Home / 20,867.06-31,265.39-10,323.02

Finding the Fourth Proportional to 20,867.06, 31,265.39 and 10,323.02

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Solution

The fourth proportional to 20,867.06, 31,265.39 and 10,323.02 is: 15,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867.06 : 31,265.39 = 10,323.02 : x
  2. Step 2: Convert to fraction form
    20,867.06/31,265.39 = 10,323.02/x
  3. Step 3: Cross multiply
    20,867.06x = 31,265.39 × 10,323.02
  4. Step 4: Simplify right side
    20,867.06x = 322,753,038.34
  5. Step 5: Solve for x
    x = 322,753,038.34/20,867.06
  6. Step 6: Final answer
    x = 15,467.11

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1.5x scale

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.