Home / 14,479.12-21,721.74-10,824.94

Finding the Fourth Proportional to 14,479.12, 21,721.74 and 10,824.94

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Solution

The fourth proportional to 14,479.12, 21,721.74 and 10,824.94 is: 16,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.12 : 21,721.74 = 10,824.94 : x
  2. Step 2: Convert to fraction form
    14,479.12/21,721.74 = 10,824.94/x
  3. Step 3: Cross multiply
    14,479.12x = 21,721.74 × 10,824.94
  4. Step 4: Simplify right side
    14,479.12x = 235,136,532.20
  5. Step 5: Solve for x
    x = 235,136,532.20/14,479.12
  6. Step 6: Final answer
    x = 16,239.70

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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.