Home / 13,465.80-18,583.20-7,497.96

Finding the Fourth Proportional to 13,465.80, 18,583.20 and 7,497.96

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Solution

The fourth proportional to 13,465.80, 18,583.20 and 7,497.96 is: 10,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.80 : 18,583.20 = 7,497.96 : x
  2. Step 2: Convert to fraction form
    13,465.80/18,583.20 = 7,497.96/x
  3. Step 3: Cross multiply
    13,465.80x = 18,583.20 × 7,497.96
  4. Step 4: Simplify right side
    13,465.80x = 139,336,090.27
  5. Step 5: Solve for x
    x = 139,336,090.27/13,465.80
  6. Step 6: Final answer
    x = 10,347.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.