Home / 15,957.48-22,021.01-9,992.45

Finding the Fourth Proportional to 15,957.48, 22,021.01 and 9,992.45

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Solution

The fourth proportional to 15,957.48, 22,021.01 and 9,992.45 is: 13,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.48 : 22,021.01 = 9,992.45 : x
  2. Step 2: Convert to fraction form
    15,957.48/22,021.01 = 9,992.45/x
  3. Step 3: Cross multiply
    15,957.48x = 22,021.01 × 9,992.45
  4. Step 4: Simplify right side
    15,957.48x = 220,043,681.31
  5. Step 5: Solve for x
    x = 220,043,681.31/15,957.48
  6. Step 6: Final answer
    x = 13,789.38

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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.