Home / 14,750.53-22,129.74-6,431.22

Finding the Fourth Proportional to 14,750.53, 22,129.74 and 6,431.22

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Solution

The fourth proportional to 14,750.53, 22,129.74 and 6,431.22 is: 9,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.53 : 22,129.74 = 6,431.22 : x
  2. Step 2: Convert to fraction form
    14,750.53/22,129.74 = 6,431.22/x
  3. Step 3: Cross multiply
    14,750.53x = 22,129.74 × 6,431.22
  4. Step 4: Simplify right side
    14,750.53x = 142,321,226.48
  5. Step 5: Solve for x
    x = 142,321,226.48/14,750.53
  6. Step 6: Final answer
    x = 9,648.55

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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.