Home / 9,359.28-12,914.76-5,166.48

Finding the Fourth Proportional to 9,359.28, 12,914.76 and 5,166.48

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Solution

The fourth proportional to 9,359.28, 12,914.76 and 5,166.48 is: 7,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.28 : 12,914.76 = 5,166.48 : x
  2. Step 2: Convert to fraction form
    9,359.28/12,914.76 = 5,166.48/x
  3. Step 3: Cross multiply
    9,359.28x = 12,914.76 × 5,166.48
  4. Step 4: Simplify right side
    9,359.28x = 66,723,849.24
  5. Step 5: Solve for x
    x = 66,723,849.24/9,359.28
  6. Step 6: Final answer
    x = 7,129.16

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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.