Home / 16,867.81-23,286.48-10,902.87

Finding the Fourth Proportional to 16,867.81, 23,286.48 and 10,902.87

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Solution

The fourth proportional to 16,867.81, 23,286.48 and 10,902.87 is: 15,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.81 : 23,286.48 = 10,902.87 : x
  2. Step 2: Convert to fraction form
    16,867.81/23,286.48 = 10,902.87/x
  3. Step 3: Cross multiply
    16,867.81x = 23,286.48 × 10,902.87
  4. Step 4: Simplify right side
    16,867.81x = 253,889,423.31
  5. Step 5: Solve for x
    x = 253,889,423.31/16,867.81
  6. Step 6: Final answer
    x = 15,051.71

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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.