Home / 14,158.38-21,236.48-4,297.70

Finding the Fourth Proportional to 14,158.38, 21,236.48 and 4,297.70

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Solution

The fourth proportional to 14,158.38, 21,236.48 and 4,297.70 is: 6,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.38 : 21,236.48 = 4,297.70 : x
  2. Step 2: Convert to fraction form
    14,158.38/21,236.48 = 4,297.70/x
  3. Step 3: Cross multiply
    14,158.38x = 21,236.48 × 4,297.70
  4. Step 4: Simplify right side
    14,158.38x = 91,268,020.10
  5. Step 5: Solve for x
    x = 91,268,020.10/14,158.38
  6. Step 6: Final answer
    x = 6,446.22

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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.