Home / 14,381.38-21,558.29-7,358.68

Finding the Fourth Proportional to 14,381.38, 21,558.29 and 7,358.68

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Solution

The fourth proportional to 14,381.38, 21,558.29 and 7,358.68 is: 11,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.38 : 21,558.29 = 7,358.68 : x
  2. Step 2: Convert to fraction form
    14,381.38/21,558.29 = 7,358.68/x
  3. Step 3: Cross multiply
    14,381.38x = 21,558.29 × 7,358.68
  4. Step 4: Simplify right side
    14,381.38x = 158,640,449.67
  5. Step 5: Solve for x
    x = 158,640,449.67/14,381.38
  6. Step 6: Final answer
    x = 11,030.97

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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.