Home / 21,176.57-29,210.96-14,006.66

Finding the Fourth Proportional to 21,176.57, 29,210.96 and 14,006.66

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Solution

The fourth proportional to 21,176.57, 29,210.96 and 14,006.66 is: 19,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.57 : 29,210.96 = 14,006.66 : x
  2. Step 2: Convert to fraction form
    21,176.57/29,210.96 = 14,006.66/x
  3. Step 3: Cross multiply
    21,176.57x = 29,210.96 × 14,006.66
  4. Step 4: Simplify right side
    21,176.57x = 409,147,873.96
  5. Step 5: Solve for x
    x = 409,147,873.96/21,176.57
  6. Step 6: Final answer
    x = 19,320.78

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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.