Home / 15,799.02-21,801.75-9,083.58

Finding the Fourth Proportional to 15,799.02, 21,801.75 and 9,083.58

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Solution

The fourth proportional to 15,799.02, 21,801.75 and 9,083.58 is: 12,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.02 : 21,801.75 = 9,083.58 : x
  2. Step 2: Convert to fraction form
    15,799.02/21,801.75 = 9,083.58/x
  3. Step 3: Cross multiply
    15,799.02x = 21,801.75 × 9,083.58
  4. Step 4: Simplify right side
    15,799.02x = 198,037,940.27
  5. Step 5: Solve for x
    x = 198,037,940.27/15,799.02
  6. Step 6: Final answer
    x = 12,534.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.