Home / 14,657.81-21,986.51-3,564.46

Finding the Fourth Proportional to 14,657.81, 21,986.51 and 3,564.46

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Solution

The fourth proportional to 14,657.81, 21,986.51 and 3,564.46 is: 5,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.81 : 21,986.51 = 3,564.46 : x
  2. Step 2: Convert to fraction form
    14,657.81/21,986.51 = 3,564.46/x
  3. Step 3: Cross multiply
    14,657.81x = 21,986.51 × 3,564.46
  4. Step 4: Simplify right side
    14,657.81x = 78,370,035.43
  5. Step 5: Solve for x
    x = 78,370,035.43/14,657.81
  6. Step 6: Final answer
    x = 5,346.64

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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.