Home / 14,428.84-21,642.30-5,665.24

Finding the Fourth Proportional to 14,428.84, 21,642.30 and 5,665.24

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Solution

The fourth proportional to 14,428.84, 21,642.30 and 5,665.24 is: 8,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.84 : 21,642.30 = 5,665.24 : x
  2. Step 2: Convert to fraction form
    14,428.84/21,642.30 = 5,665.24/x
  3. Step 3: Cross multiply
    14,428.84x = 21,642.30 × 5,665.24
  4. Step 4: Simplify right side
    14,428.84x = 122,608,823.65
  5. Step 5: Solve for x
    x = 122,608,823.65/14,428.84
  6. Step 6: Final answer
    x = 8,497.48

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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.