Home / 11,334.49-15,640.88-6,298.40

Finding the Fourth Proportional to 11,334.49, 15,640.88 and 6,298.40

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Solution

The fourth proportional to 11,334.49, 15,640.88 and 6,298.40 is: 8,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.49 : 15,640.88 = 6,298.40 : x
  2. Step 2: Convert to fraction form
    11,334.49/15,640.88 = 6,298.40/x
  3. Step 3: Cross multiply
    11,334.49x = 15,640.88 × 6,298.40
  4. Step 4: Simplify right side
    11,334.49x = 98,512,526.20
  5. Step 5: Solve for x
    x = 98,512,526.20/11,334.49
  6. Step 6: Final answer
    x = 8,691.40

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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.