Home / 9,168.24-12,657.96-6,807.60

Finding the Fourth Proportional to 9,168.24, 12,657.96 and 6,807.60

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Solution

The fourth proportional to 9,168.24, 12,657.96 and 6,807.60 is: 9,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.24 : 12,657.96 = 6,807.60 : x
  2. Step 2: Convert to fraction form
    9,168.24/12,657.96 = 6,807.60/x
  3. Step 3: Cross multiply
    9,168.24x = 12,657.96 × 6,807.60
  4. Step 4: Simplify right side
    9,168.24x = 86,170,328.50
  5. Step 5: Solve for x
    x = 86,170,328.50/9,168.24
  6. Step 6: Final answer
    x = 9,398.79

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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.