Home / 15,809.87-21,822.18-10,436.24

Finding the Fourth Proportional to 15,809.87, 21,822.18 and 10,436.24

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Solution

The fourth proportional to 15,809.87, 21,822.18 and 10,436.24 is: 14,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.87 : 21,822.18 = 10,436.24 : x
  2. Step 2: Convert to fraction form
    15,809.87/21,822.18 = 10,436.24/x
  3. Step 3: Cross multiply
    15,809.87x = 21,822.18 × 10,436.24
  4. Step 4: Simplify right side
    15,809.87x = 227,741,359.56
  5. Step 5: Solve for x
    x = 227,741,359.56/15,809.87
  6. Step 6: Final answer
    x = 14,405.01

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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.