Home / 13,835.40-20,740.76-5,068.26

Finding the Fourth Proportional to 13,835.40, 20,740.76 and 5,068.26

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Solution

The fourth proportional to 13,835.40, 20,740.76 and 5,068.26 is: 7,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.40 : 20,740.76 = 5,068.26 : x
  2. Step 2: Convert to fraction form
    13,835.40/20,740.76 = 5,068.26/x
  3. Step 3: Cross multiply
    13,835.40x = 20,740.76 × 5,068.26
  4. Step 4: Simplify right side
    13,835.40x = 105,119,564.28
  5. Step 5: Solve for x
    x = 105,119,564.28/13,835.40
  6. Step 6: Final answer
    x = 7,597.87

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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.