Home / 10,328.26-15,490.76-8,584.46

Finding the Fourth Proportional to 10,328.26, 15,490.76 and 8,584.46

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Solution

The fourth proportional to 10,328.26, 15,490.76 and 8,584.46 is: 12,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.26 : 15,490.76 = 8,584.46 : x
  2. Step 2: Convert to fraction form
    10,328.26/15,490.76 = 8,584.46/x
  3. Step 3: Cross multiply
    10,328.26x = 15,490.76 × 8,584.46
  4. Step 4: Simplify right side
    10,328.26x = 132,979,809.59
  5. Step 5: Solve for x
    x = 132,979,809.59/10,328.26
  6. Step 6: Final answer
    x = 12,875.34

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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.