Home / 11,245.64-15,518.93-6,210.18

Finding the Fourth Proportional to 11,245.64, 15,518.93 and 6,210.18

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Solution

The fourth proportional to 11,245.64, 15,518.93 and 6,210.18 is: 8,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.64 : 15,518.93 = 6,210.18 : x
  2. Step 2: Convert to fraction form
    11,245.64/15,518.93 = 6,210.18/x
  3. Step 3: Cross multiply
    11,245.64x = 15,518.93 × 6,210.18
  4. Step 4: Simplify right side
    11,245.64x = 96,375,317.66
  5. Step 5: Solve for x
    x = 96,375,317.66/11,245.64
  6. Step 6: Final answer
    x = 8,570.02

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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.