Home / 14,215.74-21,324.69-4,355.75

Finding the Fourth Proportional to 14,215.74, 21,324.69 and 4,355.75

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Solution

The fourth proportional to 14,215.74, 21,324.69 and 4,355.75 is: 6,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.74 : 21,324.69 = 4,355.75 : x
  2. Step 2: Convert to fraction form
    14,215.74/21,324.69 = 4,355.75/x
  3. Step 3: Cross multiply
    14,215.74x = 21,324.69 × 4,355.75
  4. Step 4: Simplify right side
    14,215.74x = 92,884,911.84
  5. Step 5: Solve for x
    x = 92,884,911.84/14,215.74
  6. Step 6: Final answer
    x = 6,533.95

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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.