Home / 15,957.54-22,022.70-9,243.30

Finding the Fourth Proportional to 15,957.54, 22,022.70 and 9,243.30

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Solution

The fourth proportional to 15,957.54, 22,022.70 and 9,243.30 is: 12,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.54 : 22,022.70 = 9,243.30 : x
  2. Step 2: Convert to fraction form
    15,957.54/22,022.70 = 9,243.30/x
  3. Step 3: Cross multiply
    15,957.54x = 22,022.70 × 9,243.30
  4. Step 4: Simplify right side
    15,957.54x = 203,562,422.91
  5. Step 5: Solve for x
    x = 203,562,422.91/15,957.54
  6. Step 6: Final answer
    x = 12,756.50

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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.