Home / 14,429.36-21,635.28-5,653.76

Finding the Fourth Proportional to 14,429.36, 21,635.28 and 5,653.76

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Solution

The fourth proportional to 14,429.36, 21,635.28 and 5,653.76 is: 8,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.36 : 21,635.28 = 5,653.76 : x
  2. Step 2: Convert to fraction form
    14,429.36/21,635.28 = 5,653.76/x
  3. Step 3: Cross multiply
    14,429.36x = 21,635.28 × 5,653.76
  4. Step 4: Simplify right side
    14,429.36x = 122,320,680.65
  5. Step 5: Solve for x
    x = 122,320,680.65/14,429.36
  6. Step 6: Final answer
    x = 8,477.21

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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.