Home / 15,725.34-21,677.49-10,410.93

Finding the Fourth Proportional to 15,725.34, 21,677.49 and 10,410.93

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Solution

The fourth proportional to 15,725.34, 21,677.49 and 10,410.93 is: 14,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.34 : 21,677.49 = 10,410.93 : x
  2. Step 2: Convert to fraction form
    15,725.34/21,677.49 = 10,410.93/x
  3. Step 3: Cross multiply
    15,725.34x = 21,677.49 × 10,410.93
  4. Step 4: Simplify right side
    15,725.34x = 225,682,830.97
  5. Step 5: Solve for x
    x = 225,682,830.97/15,725.34
  6. Step 6: Final answer
    x = 14,351.54

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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.