Home / 10,068.05-15,106.57-5,135.09

Finding the Fourth Proportional to 10,068.05, 15,106.57 and 5,135.09

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Solution

The fourth proportional to 10,068.05, 15,106.57 and 5,135.09 is: 7,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.05 : 15,106.57 = 5,135.09 : x
  2. Step 2: Convert to fraction form
    10,068.05/15,106.57 = 5,135.09/x
  3. Step 3: Cross multiply
    10,068.05x = 15,106.57 × 5,135.09
  4. Step 4: Simplify right side
    10,068.05x = 77,573,508.17
  5. Step 5: Solve for x
    x = 77,573,508.17/10,068.05
  6. Step 6: Final answer
    x = 7,704.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.