Home / 14,318.56-21,330.21-13,883.29

Finding the Fourth Proportional to 14,318.56, 21,330.21 and 13,883.29

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Solution

The fourth proportional to 14,318.56, 21,330.21 and 13,883.29 is: 20,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.56 : 21,330.21 = 13,883.29 : x
  2. Step 2: Convert to fraction form
    14,318.56/21,330.21 = 13,883.29/x
  3. Step 3: Cross multiply
    14,318.56x = 21,330.21 × 13,883.29
  4. Step 4: Simplify right side
    14,318.56x = 296,133,491.19
  5. Step 5: Solve for x
    x = 296,133,491.19/14,318.56
  6. Step 6: Final answer
    x = 20,681.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.