Home / 15,339.08-23,005.19-5,979.35

Finding the Fourth Proportional to 15,339.08, 23,005.19 and 5,979.35

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Solution

The fourth proportional to 15,339.08, 23,005.19 and 5,979.35 is: 8,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.08 : 23,005.19 = 5,979.35 : x
  2. Step 2: Convert to fraction form
    15,339.08/23,005.19 = 5,979.35/x
  3. Step 3: Cross multiply
    15,339.08x = 23,005.19 × 5,979.35
  4. Step 4: Simplify right side
    15,339.08x = 137,556,082.83
  5. Step 5: Solve for x
    x = 137,556,082.83/15,339.08
  6. Step 6: Final answer
    x = 8,967.69

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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.