Home / 15,945.04-22,003.81-9,230.95

Finding the Fourth Proportional to 15,945.04, 22,003.81 and 9,230.95

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Solution

The fourth proportional to 15,945.04, 22,003.81 and 9,230.95 is: 12,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.04 : 22,003.81 = 9,230.95 : x
  2. Step 2: Convert to fraction form
    15,945.04/22,003.81 = 9,230.95/x
  3. Step 3: Cross multiply
    15,945.04x = 22,003.81 × 9,230.95
  4. Step 4: Simplify right side
    15,945.04x = 203,116,069.92
  5. Step 5: Solve for x
    x = 203,116,069.92/15,945.04
  6. Step 6: Final answer
    x = 12,738.51

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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.