Home / 14,487.48-21,723.26-6,689.32

Finding the Fourth Proportional to 14,487.48, 21,723.26 and 6,689.32

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Solution

The fourth proportional to 14,487.48, 21,723.26 and 6,689.32 is: 10,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.48 : 21,723.26 = 6,689.32 : x
  2. Step 2: Convert to fraction form
    14,487.48/21,723.26 = 6,689.32/x
  3. Step 3: Cross multiply
    14,487.48x = 21,723.26 × 6,689.32
  4. Step 4: Simplify right side
    14,487.48x = 145,313,837.58
  5. Step 5: Solve for x
    x = 145,313,837.58/14,487.48
  6. Step 6: Final answer
    x = 10,030.30

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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.