Home / 15,560.37-21,475.10-8,662.23

Finding the Fourth Proportional to 15,560.37, 21,475.10 and 8,662.23

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Solution

The fourth proportional to 15,560.37, 21,475.10 and 8,662.23 is: 11,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.37 : 21,475.10 = 8,662.23 : x
  2. Step 2: Convert to fraction form
    15,560.37/21,475.10 = 8,662.23/x
  3. Step 3: Cross multiply
    15,560.37x = 21,475.10 × 8,662.23
  4. Step 4: Simplify right side
    15,560.37x = 186,022,277.13
  5. Step 5: Solve for x
    x = 186,022,277.13/15,560.37
  6. Step 6: Final answer
    x = 11,954.87

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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.