Home / 11,142.17-15,376.19-6,106.58

Finding the Fourth Proportional to 11,142.17, 15,376.19 and 6,106.58

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Solution

The fourth proportional to 11,142.17, 15,376.19 and 6,106.58 is: 8,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.17 : 15,376.19 = 6,106.58 : x
  2. Step 2: Convert to fraction form
    11,142.17/15,376.19 = 6,106.58/x
  3. Step 3: Cross multiply
    11,142.17x = 15,376.19 × 6,106.58
  4. Step 4: Simplify right side
    11,142.17x = 93,895,826.92
  5. Step 5: Solve for x
    x = 93,895,826.92/11,142.17
  6. Step 6: Final answer
    x = 8,427.07

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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.