Home / 21,096.04-31,652.79-9,243.69

Finding the Fourth Proportional to 21,096.04, 31,652.79 and 9,243.69

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Solution

The fourth proportional to 21,096.04, 31,652.79 and 9,243.69 is: 13,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.04 : 31,652.79 = 9,243.69 : x
  2. Step 2: Convert to fraction form
    21,096.04/31,652.79 = 9,243.69/x
  3. Step 3: Cross multiply
    21,096.04x = 31,652.79 × 9,243.69
  4. Step 4: Simplify right side
    21,096.04x = 292,588,578.40
  5. Step 5: Solve for x
    x = 292,588,578.40/21,096.04
  6. Step 6: Final answer
    x = 13,869.36

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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.