Home / 9,331.13-13,996.96-2,405.63

Finding the Fourth Proportional to 9,331.13, 13,996.96 and 2,405.63

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Solution

The fourth proportional to 9,331.13, 13,996.96 and 2,405.63 is: 3,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.13 : 13,996.96 = 2,405.63 : x
  2. Step 2: Convert to fraction form
    9,331.13/13,996.96 = 2,405.63/x
  3. Step 3: Cross multiply
    9,331.13x = 13,996.96 × 2,405.63
  4. Step 4: Simplify right side
    9,331.13x = 33,671,430.89
  5. Step 5: Solve for x
    x = 33,671,430.89/9,331.13
  6. Step 6: Final answer
    x = 3,608.51

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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.