Home / 21,203.04-31,803.89-9,353.15

Finding the Fourth Proportional to 21,203.04, 31,803.89 and 9,353.15

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Solution

The fourth proportional to 21,203.04, 31,803.89 and 9,353.15 is: 14,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.04 : 31,803.89 = 9,353.15 : x
  2. Step 2: Convert to fraction form
    21,203.04/31,803.89 = 9,353.15/x
  3. Step 3: Cross multiply
    21,203.04x = 31,803.89 × 9,353.15
  4. Step 4: Simplify right side
    21,203.04x = 297,466,347.97
  5. Step 5: Solve for x
    x = 297,466,347.97/21,203.04
  6. Step 6: Final answer
    x = 14,029.42

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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.