Home / 21,176.33-29,210.61-14,006.42

Finding the Fourth Proportional to 21,176.33, 29,210.61 and 14,006.42

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Solution

The fourth proportional to 21,176.33, 29,210.61 and 14,006.42 is: 19,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.33 : 29,210.61 = 14,006.42 : x
  2. Step 2: Convert to fraction form
    21,176.33/29,210.61 = 14,006.42/x
  3. Step 3: Cross multiply
    21,176.33x = 29,210.61 × 14,006.42
  4. Step 4: Simplify right side
    21,176.33x = 409,136,072.12
  5. Step 5: Solve for x
    x = 409,136,072.12/21,176.33
  6. Step 6: Final answer
    x = 19,320.44

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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.