Home / 9,143.39-13,715.62-2,570.09

Finding the Fourth Proportional to 9,143.39, 13,715.62 and 2,570.09

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Solution

The fourth proportional to 9,143.39, 13,715.62 and 2,570.09 is: 3,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.39 : 13,715.62 = 2,570.09 : x
  2. Step 2: Convert to fraction form
    9,143.39/13,715.62 = 2,570.09/x
  3. Step 3: Cross multiply
    9,143.39x = 13,715.62 × 2,570.09
  4. Step 4: Simplify right side
    9,143.39x = 35,250,377.81
  5. Step 5: Solve for x
    x = 35,250,377.81/9,143.39
  6. Step 6: Final answer
    x = 3,855.29

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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.