Home / 21,039.33-31,558.39-6,248.23

Finding the Fourth Proportional to 21,039.33, 31,558.39 and 6,248.23

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Solution

The fourth proportional to 21,039.33, 31,558.39 and 6,248.23 is: 9,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.33 : 31,558.39 = 6,248.23 : x
  2. Step 2: Convert to fraction form
    21,039.33/31,558.39 = 6,248.23/x
  3. Step 3: Cross multiply
    21,039.33x = 31,558.39 × 6,248.23
  4. Step 4: Simplify right side
    21,039.33x = 197,184,079.15
  5. Step 5: Solve for x
    x = 197,184,079.15/21,039.33
  6. Step 6: Final answer
    x = 9,372.17

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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.