Home / 18,889.12-26,064.24-11,333.92

Finding the Fourth Proportional to 18,889.12, 26,064.24 and 11,333.92

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Solution

The fourth proportional to 18,889.12, 26,064.24 and 11,333.92 is: 15,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.12 : 26,064.24 = 11,333.92 : x
  2. Step 2: Convert to fraction form
    18,889.12/26,064.24 = 11,333.92/x
  3. Step 3: Cross multiply
    18,889.12x = 26,064.24 × 11,333.92
  4. Step 4: Simplify right side
    18,889.12x = 295,410,011.02
  5. Step 5: Solve for x
    x = 295,410,011.02/18,889.12
  6. Step 6: Final answer
    x = 15,639.16

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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.