Home / 9,350.72-12,904.08-5,159.12

Finding the Fourth Proportional to 9,350.72, 12,904.08 and 5,159.12

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Solution

The fourth proportional to 9,350.72, 12,904.08 and 5,159.12 is: 7,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.72 : 12,904.08 = 5,159.12 : x
  2. Step 2: Convert to fraction form
    9,350.72/12,904.08 = 5,159.12/x
  3. Step 3: Cross multiply
    9,350.72x = 12,904.08 × 5,159.12
  4. Step 4: Simplify right side
    9,350.72x = 66,573,697.21
  5. Step 5: Solve for x
    x = 66,573,697.21/9,350.72
  6. Step 6: Final answer
    x = 7,119.63

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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.