Home / 13,936.86-19,226.64-8,271.84

Finding the Fourth Proportional to 13,936.86, 19,226.64 and 8,271.84

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Solution

The fourth proportional to 13,936.86, 19,226.64 and 8,271.84 is: 11,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.86 : 19,226.64 = 8,271.84 : x
  2. Step 2: Convert to fraction form
    13,936.86/19,226.64 = 8,271.84/x
  3. Step 3: Cross multiply
    13,936.86x = 19,226.64 × 8,271.84
  4. Step 4: Simplify right side
    13,936.86x = 159,039,689.82
  5. Step 5: Solve for x
    x = 159,039,689.82/13,936.86
  6. Step 6: Final answer
    x = 11,411.44

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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.