Home / 14,353.52-21,531.89-6,561.32

Finding the Fourth Proportional to 14,353.52, 21,531.89 and 6,561.32

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Solution

The fourth proportional to 14,353.52, 21,531.89 and 6,561.32 is: 9,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.52 : 21,531.89 = 6,561.32 : x
  2. Step 2: Convert to fraction form
    14,353.52/21,531.89 = 6,561.32/x
  3. Step 3: Cross multiply
    14,353.52x = 21,531.89 × 6,561.32
  4. Step 4: Simplify right side
    14,353.52x = 141,277,529.24
  5. Step 5: Solve for x
    x = 141,277,529.24/14,353.52
  6. Step 6: Final answer
    x = 9,842.71

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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.