Home / 18,171.46-25,077.99-10,106.92

Finding the Fourth Proportional to 18,171.46, 25,077.99 and 10,106.92

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Solution

The fourth proportional to 18,171.46, 25,077.99 and 10,106.92 is: 13,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.46 : 25,077.99 = 10,106.92 : x
  2. Step 2: Convert to fraction form
    18,171.46/25,077.99 = 10,106.92/x
  3. Step 3: Cross multiply
    18,171.46x = 25,077.99 × 10,106.92
  4. Step 4: Simplify right side
    18,171.46x = 253,461,238.69
  5. Step 5: Solve for x
    x = 253,461,238.69/18,171.46
  6. Step 6: Final answer
    x = 13,948.31

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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.