Home / 14,403.39-21,605.78-6,999.03

Finding the Fourth Proportional to 14,403.39, 21,605.78 and 6,999.03

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Solution

The fourth proportional to 14,403.39, 21,605.78 and 6,999.03 is: 10,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.39 : 21,605.78 = 6,999.03 : x
  2. Step 2: Convert to fraction form
    14,403.39/21,605.78 = 6,999.03/x
  3. Step 3: Cross multiply
    14,403.39x = 21,605.78 × 6,999.03
  4. Step 4: Simplify right side
    14,403.39x = 151,219,531.45
  5. Step 5: Solve for x
    x = 151,219,531.45/14,403.39
  6. Step 6: Final answer
    x = 10,498.88

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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.