Home / 21,004.33-31,506.46-9,753.51

Finding the Fourth Proportional to 21,004.33, 31,506.46 and 9,753.51

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Solution

The fourth proportional to 21,004.33, 31,506.46 and 9,753.51 is: 14,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.33 : 31,506.46 = 9,753.51 : x
  2. Step 2: Convert to fraction form
    21,004.33/31,506.46 = 9,753.51/x
  3. Step 3: Cross multiply
    21,004.33x = 31,506.46 × 9,753.51
  4. Step 4: Simplify right side
    21,004.33x = 307,298,704.28
  5. Step 5: Solve for x
    x = 307,298,704.28/21,004.33
  6. Step 6: Final answer
    x = 14,630.26

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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.