Home / 14,224.30-21,329.63-6,721.62

Finding the Fourth Proportional to 14,224.30, 21,329.63 and 6,721.62

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Solution

The fourth proportional to 14,224.30, 21,329.63 and 6,721.62 is: 10,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.30 : 21,329.63 = 6,721.62 : x
  2. Step 2: Convert to fraction form
    14,224.30/21,329.63 = 6,721.62/x
  3. Step 3: Cross multiply
    14,224.30x = 21,329.63 × 6,721.62
  4. Step 4: Simplify right side
    14,224.30x = 143,369,637.29
  5. Step 5: Solve for x
    x = 143,369,637.29/14,224.30
  6. Step 6: Final answer
    x = 10,079.20

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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.