Home / 14,272.38-21,376.89-10,961.10

Finding the Fourth Proportional to 14,272.38, 21,376.89 and 10,961.10

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Solution

The fourth proportional to 14,272.38, 21,376.89 and 10,961.10 is: 16,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.38 : 21,376.89 = 10,961.10 : x
  2. Step 2: Convert to fraction form
    14,272.38/21,376.89 = 10,961.10/x
  3. Step 3: Cross multiply
    14,272.38x = 21,376.89 × 10,961.10
  4. Step 4: Simplify right side
    14,272.38x = 234,314,228.98
  5. Step 5: Solve for x
    x = 234,314,228.98/14,272.38
  6. Step 6: Final answer
    x = 16,417.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.