Home / 11,085.20-15,300.68-6,370

Finding the Fourth Proportional to 11,085.20, 15,300.68 and 6,370

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Solution

The fourth proportional to 11,085.20, 15,300.68 and 6,370 is: 8,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.20 : 15,300.68 = 6,370 : x
  2. Step 2: Convert to fraction form
    11,085.20/15,300.68 = 6,370/x
  3. Step 3: Cross multiply
    11,085.20x = 15,300.68 × 6,370
  4. Step 4: Simplify right side
    11,085.20x = 97,465,331.60
  5. Step 5: Solve for x
    x = 97,465,331.60/11,085.20
  6. Step 6: Final answer
    x = 8,792.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.