Home / 14,035.32-21,036.78-5,264.64

Finding the Fourth Proportional to 14,035.32, 21,036.78 and 5,264.64

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Solution

The fourth proportional to 14,035.32, 21,036.78 and 5,264.64 is: 7,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.32 : 21,036.78 = 5,264.64 : x
  2. Step 2: Convert to fraction form
    14,035.32/21,036.78 = 5,264.64/x
  3. Step 3: Cross multiply
    14,035.32x = 21,036.78 × 5,264.64
  4. Step 4: Simplify right side
    14,035.32x = 110,751,073.46
  5. Step 5: Solve for x
    x = 110,751,073.46/14,035.32
  6. Step 6: Final answer
    x = 7,890.88

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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.