Home / 17,889.32-24,685.26-9,931.88

Finding the Fourth Proportional to 17,889.32, 24,685.26 and 9,931.88

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Solution

The fourth proportional to 17,889.32, 24,685.26 and 9,931.88 is: 13,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.32 : 24,685.26 = 9,931.88 : x
  2. Step 2: Convert to fraction form
    17,889.32/24,685.26 = 9,931.88/x
  3. Step 3: Cross multiply
    17,889.32x = 24,685.26 × 9,931.88
  4. Step 4: Simplify right side
    17,889.32x = 245,171,040.09
  5. Step 5: Solve for x
    x = 245,171,040.09/17,889.32
  6. Step 6: Final answer
    x = 13,704.88

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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.