Home / 14,216.28-21,329.14-4,355.66

Finding the Fourth Proportional to 14,216.28, 21,329.14 and 4,355.66

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Solution

The fourth proportional to 14,216.28, 21,329.14 and 4,355.66 is: 6,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.28 : 21,329.14 = 4,355.66 : x
  2. Step 2: Convert to fraction form
    14,216.28/21,329.14 = 4,355.66/x
  3. Step 3: Cross multiply
    14,216.28x = 21,329.14 × 4,355.66
  4. Step 4: Simplify right side
    14,216.28x = 92,902,353.51
  5. Step 5: Solve for x
    x = 92,902,353.51/14,216.28
  6. Step 6: Final answer
    x = 6,534.93

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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.