Home / 15,730.21-23,589.64-5,339.53

Finding the Fourth Proportional to 15,730.21, 23,589.64 and 5,339.53

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Solution

The fourth proportional to 15,730.21, 23,589.64 and 5,339.53 is: 8,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.21 : 23,589.64 = 5,339.53 : x
  2. Step 2: Convert to fraction form
    15,730.21/23,589.64 = 5,339.53/x
  3. Step 3: Cross multiply
    15,730.21x = 23,589.64 × 5,339.53
  4. Step 4: Simplify right side
    15,730.21x = 125,957,590.47
  5. Step 5: Solve for x
    x = 125,957,590.47/15,730.21
  6. Step 6: Final answer
    x = 8,007.37

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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.