Home / 10,362.18-15,544.27-4,120.80

Finding the Fourth Proportional to 10,362.18, 15,544.27 and 4,120.80

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Solution

The fourth proportional to 10,362.18, 15,544.27 and 4,120.80 is: 6,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.18 : 15,544.27 = 4,120.80 : x
  2. Step 2: Convert to fraction form
    10,362.18/15,544.27 = 4,120.80/x
  3. Step 3: Cross multiply
    10,362.18x = 15,544.27 × 4,120.80
  4. Step 4: Simplify right side
    10,362.18x = 64,054,827.82
  5. Step 5: Solve for x
    x = 64,054,827.82/10,362.18
  6. Step 6: Final answer
    x = 6,181.60

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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.