Home / 15,745.46-21,727.94-10,156.46

Finding the Fourth Proportional to 15,745.46, 21,727.94 and 10,156.46

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Solution

The fourth proportional to 15,745.46, 21,727.94 and 10,156.46 is: 14,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.46 : 21,727.94 = 10,156.46 : x
  2. Step 2: Convert to fraction form
    15,745.46/21,727.94 = 10,156.46/x
  3. Step 3: Cross multiply
    15,745.46x = 21,727.94 × 10,156.46
  4. Step 4: Simplify right side
    15,745.46x = 220,678,953.49
  5. Step 5: Solve for x
    x = 220,678,953.49/15,745.46
  6. Step 6: Final answer
    x = 14,015.40

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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.