Home / 15,796.02-21,806.40-9,829.62

Finding the Fourth Proportional to 15,796.02, 21,806.40 and 9,829.62

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Solution

The fourth proportional to 15,796.02, 21,806.40 and 9,829.62 is: 13,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.02 : 21,806.40 = 9,829.62 : x
  2. Step 2: Convert to fraction form
    15,796.02/21,806.40 = 9,829.62/x
  3. Step 3: Cross multiply
    15,796.02x = 21,806.40 × 9,829.62
  4. Step 4: Simplify right side
    15,796.02x = 214,348,625.57
  5. Step 5: Solve for x
    x = 214,348,625.57/15,796.02
  6. Step 6: Final answer
    x = 13,569.79

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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.