Home / 10,584.92-15,865.29-5,030.39

Finding the Fourth Proportional to 10,584.92, 15,865.29 and 5,030.39

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Solution

The fourth proportional to 10,584.92, 15,865.29 and 5,030.39 is: 7,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.92 : 15,865.29 = 5,030.39 : x
  2. Step 2: Convert to fraction form
    10,584.92/15,865.29 = 5,030.39/x
  3. Step 3: Cross multiply
    10,584.92x = 15,865.29 × 5,030.39
  4. Step 4: Simplify right side
    10,584.92x = 79,808,516.84
  5. Step 5: Solve for x
    x = 79,808,516.84/10,584.92
  6. Step 6: Final answer
    x = 7,539.84

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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.