Home / 13,110.60-19,637.10-11,382.60

Finding the Fourth Proportional to 13,110.60, 19,637.10 and 11,382.60

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Solution

The fourth proportional to 13,110.60, 19,637.10 and 11,382.60 is: 17,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.60 : 19,637.10 = 11,382.60 : x
  2. Step 2: Convert to fraction form
    13,110.60/19,637.10 = 11,382.60/x
  3. Step 3: Cross multiply
    13,110.60x = 19,637.10 × 11,382.60
  4. Step 4: Simplify right side
    13,110.60x = 223,521,254.46
  5. Step 5: Solve for x
    x = 223,521,254.46/13,110.60
  6. Step 6: Final answer
    x = 17,048.90

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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.