Home / 9,435.20-14,152.76-2,415.20

Finding the Fourth Proportional to 9,435.20, 14,152.76 and 2,415.20

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Solution

The fourth proportional to 9,435.20, 14,152.76 and 2,415.20 is: 3,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.20 : 14,152.76 = 2,415.20 : x
  2. Step 2: Convert to fraction form
    9,435.20/14,152.76 = 2,415.20/x
  3. Step 3: Cross multiply
    9,435.20x = 14,152.76 × 2,415.20
  4. Step 4: Simplify right side
    9,435.20x = 34,181,751.78
  5. Step 5: Solve for x
    x = 34,181,751.78/9,435.20
  6. Step 6: Final answer
    x = 3,622.79

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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.