Home / 21,118.96-31,673.76-6,325.93

Finding the Fourth Proportional to 21,118.96, 31,673.76 and 6,325.93

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Solution

The fourth proportional to 21,118.96, 31,673.76 and 6,325.93 is: 9,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,118.96 : 31,673.76 = 6,325.93 : x
  2. Step 2: Convert to fraction form
    21,118.96/31,673.76 = 6,325.93/x
  3. Step 3: Cross multiply
    21,118.96x = 31,673.76 × 6,325.93
  4. Step 4: Simplify right side
    21,118.96x = 200,365,988.60
  5. Step 5: Solve for x
    x = 200,365,988.60/21,118.96
  6. Step 6: Final answer
    x = 9,487.49

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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.