Home / 21,283.19-31,929.50-6,493.24

Finding the Fourth Proportional to 21,283.19, 31,929.50 and 6,493.24

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Solution

The fourth proportional to 21,283.19, 31,929.50 and 6,493.24 is: 9,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.19 : 31,929.50 = 6,493.24 : x
  2. Step 2: Convert to fraction form
    21,283.19/31,929.50 = 6,493.24/x
  3. Step 3: Cross multiply
    21,283.19x = 31,929.50 × 6,493.24
  4. Step 4: Simplify right side
    21,283.19x = 207,325,906.58
  5. Step 5: Solve for x
    x = 207,325,906.58/21,283.19
  6. Step 6: Final answer
    x = 9,741.30

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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.