Home / 10,339.83-15,500.54-4,785.54

Finding the Fourth Proportional to 10,339.83, 15,500.54 and 4,785.54

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Solution

The fourth proportional to 10,339.83, 15,500.54 and 4,785.54 is: 7,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.83 : 15,500.54 = 4,785.54 : x
  2. Step 2: Convert to fraction form
    10,339.83/15,500.54 = 4,785.54/x
  3. Step 3: Cross multiply
    10,339.83x = 15,500.54 × 4,785.54
  4. Step 4: Simplify right side
    10,339.83x = 74,178,430.26
  5. Step 5: Solve for x
    x = 74,178,430.26/10,339.83
  6. Step 6: Final answer
    x = 7,174.05

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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.