Home / 11,605.92-17,420.40-9,036.96

Finding the Fourth Proportional to 11,605.92, 17,420.40 and 9,036.96

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Solution

The fourth proportional to 11,605.92, 17,420.40 and 9,036.96 is: 13,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.92 : 17,420.40 = 9,036.96 : x
  2. Step 2: Convert to fraction form
    11,605.92/17,420.40 = 9,036.96/x
  3. Step 3: Cross multiply
    11,605.92x = 17,420.40 × 9,036.96
  4. Step 4: Simplify right side
    11,605.92x = 157,427,457.98
  5. Step 5: Solve for x
    x = 157,427,457.98/11,605.92
  6. Step 6: Final answer
    x = 13,564.41

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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.