Home / 15,529.68-23,289.48-5,139

Finding the Fourth Proportional to 15,529.68, 23,289.48 and 5,139

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Solution

The fourth proportional to 15,529.68, 23,289.48 and 5,139 is: 7,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.68 : 23,289.48 = 5,139 : x
  2. Step 2: Convert to fraction form
    15,529.68/23,289.48 = 5,139/x
  3. Step 3: Cross multiply
    15,529.68x = 23,289.48 × 5,139
  4. Step 4: Simplify right side
    15,529.68x = 119,684,637.72
  5. Step 5: Solve for x
    x = 119,684,637.72/15,529.68
  6. Step 6: Final answer
    x = 7,706.83

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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.