Home / 18,830.36-28,225.56-6,339.08

Finding the Fourth Proportional to 18,830.36, 28,225.56 and 6,339.08

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Solution

The fourth proportional to 18,830.36, 28,225.56 and 6,339.08 is: 9,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.36 : 28,225.56 = 6,339.08 : x
  2. Step 2: Convert to fraction form
    18,830.36/28,225.56 = 6,339.08/x
  3. Step 3: Cross multiply
    18,830.36x = 28,225.56 × 6,339.08
  4. Step 4: Simplify right side
    18,830.36x = 178,924,082.88
  5. Step 5: Solve for x
    x = 178,924,082.88/18,830.36
  6. Step 6: Final answer
    x = 9,501.89

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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.