Home / 21,053.42-29,052.99-12,551.16

Finding the Fourth Proportional to 21,053.42, 29,052.99 and 12,551.16

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Solution

The fourth proportional to 21,053.42, 29,052.99 and 12,551.16 is: 17,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.42 : 29,052.99 = 12,551.16 : x
  2. Step 2: Convert to fraction form
    21,053.42/29,052.99 = 12,551.16/x
  3. Step 3: Cross multiply
    21,053.42x = 29,052.99 × 12,551.16
  4. Step 4: Simplify right side
    21,053.42x = 364,648,725.97
  5. Step 5: Solve for x
    x = 364,648,725.97/21,053.42
  6. Step 6: Final answer
    x = 17,320.17

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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.