Home / 21,353.02-31,967.26-12,441.14

Finding the Fourth Proportional to 21,353.02, 31,967.26 and 12,441.14

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Solution

The fourth proportional to 21,353.02, 31,967.26 and 12,441.14 is: 18,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.02 : 31,967.26 = 12,441.14 : x
  2. Step 2: Convert to fraction form
    21,353.02/31,967.26 = 12,441.14/x
  3. Step 3: Cross multiply
    21,353.02x = 31,967.26 × 12,441.14
  4. Step 4: Simplify right side
    21,353.02x = 397,709,265.83
  5. Step 5: Solve for x
    x = 397,709,265.83/21,353.02
  6. Step 6: Final answer
    x = 18,625.44

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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.