Home / 14,121.33-19,484.06-8,814.21

Finding the Fourth Proportional to 14,121.33, 19,484.06 and 8,814.21

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Solution

The fourth proportional to 14,121.33, 19,484.06 and 8,814.21 is: 12,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.33 : 19,484.06 = 8,814.21 : x
  2. Step 2: Convert to fraction form
    14,121.33/19,484.06 = 8,814.21/x
  3. Step 3: Cross multiply
    14,121.33x = 19,484.06 × 8,814.21
  4. Step 4: Simplify right side
    14,121.33x = 171,736,552.42
  5. Step 5: Solve for x
    x = 171,736,552.42/14,121.33
  6. Step 6: Final answer
    x = 12,161.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.