Home / 21,125.17-31,683.70-6,334.08

Finding the Fourth Proportional to 21,125.17, 31,683.70 and 6,334.08

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Solution

The fourth proportional to 21,125.17, 31,683.70 and 6,334.08 is: 9,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.17 : 31,683.70 = 6,334.08 : x
  2. Step 2: Convert to fraction form
    21,125.17/31,683.70 = 6,334.08/x
  3. Step 3: Cross multiply
    21,125.17x = 31,683.70 × 6,334.08
  4. Step 4: Simplify right side
    21,125.17x = 200,687,090.50
  5. Step 5: Solve for x
    x = 200,687,090.50/21,125.17
  6. Step 6: Final answer
    x = 9,499.90

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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.