Home / 18,558.78-25,611.45-10,175.22

Finding the Fourth Proportional to 18,558.78, 25,611.45 and 10,175.22

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Solution

The fourth proportional to 18,558.78, 25,611.45 and 10,175.22 is: 14,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.78 : 25,611.45 = 10,175.22 : x
  2. Step 2: Convert to fraction form
    18,558.78/25,611.45 = 10,175.22/x
  3. Step 3: Cross multiply
    18,558.78x = 25,611.45 × 10,175.22
  4. Step 4: Simplify right side
    18,558.78x = 260,602,138.27
  5. Step 5: Solve for x
    x = 260,602,138.27/18,558.78
  6. Step 6: Final answer
    x = 14,041.99

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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.