Home / 11,148.14-15,384.12-6,112.10

Finding the Fourth Proportional to 11,148.14, 15,384.12 and 6,112.10

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Solution

The fourth proportional to 11,148.14, 15,384.12 and 6,112.10 is: 8,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.14 : 15,384.12 = 6,112.10 : x
  2. Step 2: Convert to fraction form
    11,148.14/15,384.12 = 6,112.10/x
  3. Step 3: Cross multiply
    11,148.14x = 15,384.12 × 6,112.10
  4. Step 4: Simplify right side
    11,148.14x = 94,029,279.85
  5. Step 5: Solve for x
    x = 94,029,279.85/11,148.14
  6. Step 6: Final answer
    x = 8,434.53

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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.