Home / 9,318.24-13,980.60-8,035.20

Finding the Fourth Proportional to 9,318.24, 13,980.60 and 8,035.20

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Solution

The fourth proportional to 9,318.24, 13,980.60 and 8,035.20 is: 12,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.24 : 13,980.60 = 8,035.20 : x
  2. Step 2: Convert to fraction form
    9,318.24/13,980.60 = 8,035.20/x
  3. Step 3: Cross multiply
    9,318.24x = 13,980.60 × 8,035.20
  4. Step 4: Simplify right side
    9,318.24x = 112,336,917.12
  5. Step 5: Solve for x
    x = 112,336,917.12/9,318.24
  6. Step 6: Final answer
    x = 12,055.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.