Home / 21,242.02-31,863.02-6,450.88

Finding the Fourth Proportional to 21,242.02, 31,863.02 and 6,450.88

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Solution

The fourth proportional to 21,242.02, 31,863.02 and 6,450.88 is: 9,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242.02 : 31,863.02 = 6,450.88 : x
  2. Step 2: Convert to fraction form
    21,242.02/31,863.02 = 6,450.88/x
  3. Step 3: Cross multiply
    21,242.02x = 31,863.02 × 6,450.88
  4. Step 4: Simplify right side
    21,242.02x = 205,544,518.46
  5. Step 5: Solve for x
    x = 205,544,518.46/21,242.02
  6. Step 6: Final answer
    x = 9,676.32

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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.