Home / 9,317.25-12,851.30-6,129.54

Finding the Fourth Proportional to 9,317.25, 12,851.30 and 6,129.54

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Solution

The fourth proportional to 9,317.25, 12,851.30 and 6,129.54 is: 8,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.25 : 12,851.30 = 6,129.54 : x
  2. Step 2: Convert to fraction form
    9,317.25/12,851.30 = 6,129.54/x
  3. Step 3: Cross multiply
    9,317.25x = 12,851.30 × 6,129.54
  4. Step 4: Simplify right side
    9,317.25x = 78,772,526.75
  5. Step 5: Solve for x
    x = 78,772,526.75/9,317.25
  6. Step 6: Final answer
    x = 8,454.48

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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.