Home / 13,365.26-20,041.96-7,124.11

Finding the Fourth Proportional to 13,365.26, 20,041.96 and 7,124.11

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Solution

The fourth proportional to 13,365.26, 20,041.96 and 7,124.11 is: 10,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.26 : 20,041.96 = 7,124.11 : x
  2. Step 2: Convert to fraction form
    13,365.26/20,041.96 = 7,124.11/x
  3. Step 3: Cross multiply
    13,365.26x = 20,041.96 × 7,124.11
  4. Step 4: Simplify right side
    13,365.26x = 142,781,127.66
  5. Step 5: Solve for x
    x = 142,781,127.66/13,365.26
  6. Step 6: Final answer
    x = 10,683.00

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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.