Home / 11,151.84-15,389.37-6,116.04

Finding the Fourth Proportional to 11,151.84, 15,389.37 and 6,116.04

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Solution

The fourth proportional to 11,151.84, 15,389.37 and 6,116.04 is: 8,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.84 : 15,389.37 = 6,116.04 : x
  2. Step 2: Convert to fraction form
    11,151.84/15,389.37 = 6,116.04/x
  3. Step 3: Cross multiply
    11,151.84x = 15,389.37 × 6,116.04
  4. Step 4: Simplify right side
    11,151.84x = 94,122,002.49
  5. Step 5: Solve for x
    x = 94,122,002.49/11,151.84
  6. Step 6: Final answer
    x = 8,440.04

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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.