Home / 18,455.31-27,657.45-10,125.27

Finding the Fourth Proportional to 18,455.31, 27,657.45 and 10,125.27

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Solution

The fourth proportional to 18,455.31, 27,657.45 and 10,125.27 is: 15,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.31 : 27,657.45 = 10,125.27 : x
  2. Step 2: Convert to fraction form
    18,455.31/27,657.45 = 10,125.27/x
  3. Step 3: Cross multiply
    18,455.31x = 27,657.45 × 10,125.27
  4. Step 4: Simplify right side
    18,455.31x = 280,039,148.76
  5. Step 5: Solve for x
    x = 280,039,148.76/18,455.31
  6. Step 6: Final answer
    x = 15,173.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.