Home / 18,099.18-27,148.59-4,951.53

Finding the Fourth Proportional to 18,099.18, 27,148.59 and 4,951.53

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Solution

The fourth proportional to 18,099.18, 27,148.59 and 4,951.53 is: 7,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.18 : 27,148.59 = 4,951.53 : x
  2. Step 2: Convert to fraction form
    18,099.18/27,148.59 = 4,951.53/x
  3. Step 3: Cross multiply
    18,099.18x = 27,148.59 × 4,951.53
  4. Step 4: Simplify right side
    18,099.18x = 134,427,057.84
  5. Step 5: Solve for x
    x = 134,427,057.84/18,099.18
  6. Step 6: Final answer
    x = 7,427.25

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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.