Home / 15,908.31-21,957.48-9,197.82

Finding the Fourth Proportional to 15,908.31, 21,957.48 and 9,197.82

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Solution

The fourth proportional to 15,908.31, 21,957.48 and 9,197.82 is: 12,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.31 : 21,957.48 = 9,197.82 : x
  2. Step 2: Convert to fraction form
    15,908.31/21,957.48 = 9,197.82/x
  3. Step 3: Cross multiply
    15,908.31x = 21,957.48 × 9,197.82
  4. Step 4: Simplify right side
    15,908.31x = 201,960,948.69
  5. Step 5: Solve for x
    x = 201,960,948.69/15,908.31
  6. Step 6: Final answer
    x = 12,695.31

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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.