Home / 9,143.79-12,619.36-6,593.65

Finding the Fourth Proportional to 9,143.79, 12,619.36 and 6,593.65

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Solution

The fourth proportional to 9,143.79, 12,619.36 and 6,593.65 is: 9,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.79 : 12,619.36 = 6,593.65 : x
  2. Step 2: Convert to fraction form
    9,143.79/12,619.36 = 6,593.65/x
  3. Step 3: Cross multiply
    9,143.79x = 12,619.36 × 6,593.65
  4. Step 4: Simplify right side
    9,143.79x = 83,207,619.76
  5. Step 5: Solve for x
    x = 83,207,619.76/9,143.79
  6. Step 6: Final answer
    x = 9,099.91

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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.