Home / 14,224.48-21,324.40-7,642.96

Finding the Fourth Proportional to 14,224.48, 21,324.40 and 7,642.96

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Solution

The fourth proportional to 14,224.48, 21,324.40 and 7,642.96 is: 11,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.48 : 21,324.40 = 7,642.96 : x
  2. Step 2: Convert to fraction form
    14,224.48/21,324.40 = 7,642.96/x
  3. Step 3: Cross multiply
    14,224.48x = 21,324.40 × 7,642.96
  4. Step 4: Simplify right side
    14,224.48x = 162,981,463.81
  5. Step 5: Solve for x
    x = 162,981,463.81/14,224.48
  6. Step 6: Final answer
    x = 11,457.82

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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.