Home / 15,530.14-21,433.57-11,562.56

Finding the Fourth Proportional to 15,530.14, 21,433.57 and 11,562.56

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Solution

The fourth proportional to 15,530.14, 21,433.57 and 11,562.56 is: 15,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.14 : 21,433.57 = 11,562.56 : x
  2. Step 2: Convert to fraction form
    15,530.14/21,433.57 = 11,562.56/x
  3. Step 3: Cross multiply
    15,530.14x = 21,433.57 × 11,562.56
  4. Step 4: Simplify right side
    15,530.14x = 247,826,803.06
  5. Step 5: Solve for x
    x = 247,826,803.06/15,530.14
  6. Step 6: Final answer
    x = 15,957.80

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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.