Home / 21,083.01-31,630.38-6,292.41

Finding the Fourth Proportional to 21,083.01, 31,630.38 and 6,292.41

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Solution

The fourth proportional to 21,083.01, 31,630.38 and 6,292.41 is: 9,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.01 : 31,630.38 = 6,292.41 : x
  2. Step 2: Convert to fraction form
    21,083.01/31,630.38 = 6,292.41/x
  3. Step 3: Cross multiply
    21,083.01x = 31,630.38 × 6,292.41
  4. Step 4: Simplify right side
    21,083.01x = 199,031,319.42
  5. Step 5: Solve for x
    x = 199,031,319.42/21,083.01
  6. Step 6: Final answer
    x = 9,440.37

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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.