Home / 14,234.36-21,355.84-6,443.24

Finding the Fourth Proportional to 14,234.36, 21,355.84 and 6,443.24

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Solution

The fourth proportional to 14,234.36, 21,355.84 and 6,443.24 is: 9,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.36 : 21,355.84 = 6,443.24 : x
  2. Step 2: Convert to fraction form
    14,234.36/21,355.84 = 6,443.24/x
  3. Step 3: Cross multiply
    14,234.36x = 21,355.84 × 6,443.24
  4. Step 4: Simplify right side
    14,234.36x = 137,600,802.52
  5. Step 5: Solve for x
    x = 137,600,802.52/14,234.36
  6. Step 6: Final answer
    x = 9,666.81

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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.