Home / 18,150.32-27,228.37-6,307.72

Finding the Fourth Proportional to 18,150.32, 27,228.37 and 6,307.72

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Solution

The fourth proportional to 18,150.32, 27,228.37 and 6,307.72 is: 9,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.32 : 27,228.37 = 6,307.72 : x
  2. Step 2: Convert to fraction form
    18,150.32/27,228.37 = 6,307.72/x
  3. Step 3: Cross multiply
    18,150.32x = 27,228.37 × 6,307.72
  4. Step 4: Simplify right side
    18,150.32x = 171,748,766.34
  5. Step 5: Solve for x
    x = 171,748,766.34/18,150.32
  6. Step 6: Final answer
    x = 9,462.58

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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.