Home / 15,389.19-23,079.68-4,293.93

Finding the Fourth Proportional to 15,389.19, 23,079.68 and 4,293.93

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Solution

The fourth proportional to 15,389.19, 23,079.68 and 4,293.93 is: 6,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.19 : 23,079.68 = 4,293.93 : x
  2. Step 2: Convert to fraction form
    15,389.19/23,079.68 = 4,293.93/x
  3. Step 3: Cross multiply
    15,389.19x = 23,079.68 × 4,293.93
  4. Step 4: Simplify right side
    15,389.19x = 99,102,508.87
  5. Step 5: Solve for x
    x = 99,102,508.87/15,389.19
  6. Step 6: Final answer
    x = 6,439.75

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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.