Home / 9,559.44-14,340.78-4,878.72

Finding the Fourth Proportional to 9,559.44, 14,340.78 and 4,878.72

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Solution

The fourth proportional to 9,559.44, 14,340.78 and 4,878.72 is: 7,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.44 : 14,340.78 = 4,878.72 : x
  2. Step 2: Convert to fraction form
    9,559.44/14,340.78 = 4,878.72/x
  3. Step 3: Cross multiply
    9,559.44x = 14,340.78 × 4,878.72
  4. Step 4: Simplify right side
    9,559.44x = 69,964,650.20
  5. Step 5: Solve for x
    x = 69,964,650.20/9,559.44
  6. Step 6: Final answer
    x = 7,318.91

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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.