Home / 14,457.36-21,557.30-14,429.80

Finding the Fourth Proportional to 14,457.36, 21,557.30 and 14,429.80

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Solution

The fourth proportional to 14,457.36, 21,557.30 and 14,429.80 is: 21,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.36 : 21,557.30 = 14,429.80 : x
  2. Step 2: Convert to fraction form
    14,457.36/21,557.30 = 14,429.80/x
  3. Step 3: Cross multiply
    14,457.36x = 21,557.30 × 14,429.80
  4. Step 4: Simplify right side
    14,457.36x = 311,067,527.54
  5. Step 5: Solve for x
    x = 311,067,527.54/14,457.36
  6. Step 6: Final answer
    x = 21,516.21

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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.