Home / 11,370.13-15,689.64-6,334.15

Finding the Fourth Proportional to 11,370.13, 15,689.64 and 6,334.15

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Solution

The fourth proportional to 11,370.13, 15,689.64 and 6,334.15 is: 8,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.13 : 15,689.64 = 6,334.15 : x
  2. Step 2: Convert to fraction form
    11,370.13/15,689.64 = 6,334.15/x
  3. Step 3: Cross multiply
    11,370.13x = 15,689.64 × 6,334.15
  4. Step 4: Simplify right side
    11,370.13x = 99,380,533.21
  5. Step 5: Solve for x
    x = 99,380,533.21/11,370.13
  6. Step 6: Final answer
    x = 8,740.49

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1.5x scale

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.