Home / 18,683.61-28,028.76-6,204.42

Finding the Fourth Proportional to 18,683.61, 28,028.76 and 6,204.42

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Solution

The fourth proportional to 18,683.61, 28,028.76 and 6,204.42 is: 9,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.61 : 28,028.76 = 6,204.42 : x
  2. Step 2: Convert to fraction form
    18,683.61/28,028.76 = 6,204.42/x
  3. Step 3: Cross multiply
    18,683.61x = 28,028.76 × 6,204.42
  4. Step 4: Simplify right side
    18,683.61x = 173,902,168.10
  5. Step 5: Solve for x
    x = 173,902,168.10/18,683.61
  6. Step 6: Final answer
    x = 9,307.74

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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.