Home / 9,415.64-14,123.46-4,149.53

Finding the Fourth Proportional to 9,415.64, 14,123.46 and 4,149.53

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Solution

The fourth proportional to 9,415.64, 14,123.46 and 4,149.53 is: 6,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.64 : 14,123.46 = 4,149.53 : x
  2. Step 2: Convert to fraction form
    9,415.64/14,123.46 = 4,149.53/x
  3. Step 3: Cross multiply
    9,415.64x = 14,123.46 × 4,149.53
  4. Step 4: Simplify right side
    9,415.64x = 58,605,718.88
  5. Step 5: Solve for x
    x = 58,605,718.88/9,415.64
  6. Step 6: Final answer
    x = 6,224.29

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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.