Home / 10,288.36-15,435.28-4,449.08

Finding the Fourth Proportional to 10,288.36, 15,435.28 and 4,449.08

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Solution

The fourth proportional to 10,288.36, 15,435.28 and 4,449.08 is: 6,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.36 : 15,435.28 = 4,449.08 : x
  2. Step 2: Convert to fraction form
    10,288.36/15,435.28 = 4,449.08/x
  3. Step 3: Cross multiply
    10,288.36x = 15,435.28 × 4,449.08
  4. Step 4: Simplify right side
    10,288.36x = 68,672,795.54
  5. Step 5: Solve for x
    x = 68,672,795.54/10,288.36
  6. Step 6: Final answer
    x = 6,674.80

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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.