Home / 9,358.61-12,914.89-5,166.86

Finding the Fourth Proportional to 9,358.61, 12,914.89 and 5,166.86

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Solution

The fourth proportional to 9,358.61, 12,914.89 and 5,166.86 is: 7,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.61 : 12,914.89 = 5,166.86 : x
  2. Step 2: Convert to fraction form
    9,358.61/12,914.89 = 5,166.86/x
  3. Step 3: Cross multiply
    9,358.61x = 12,914.89 × 5,166.86
  4. Step 4: Simplify right side
    9,358.61x = 66,729,428.55
  5. Step 5: Solve for x
    x = 66,729,428.55/9,358.61
  6. Step 6: Final answer
    x = 7,130.27

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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.