Home / 14,580.18-21,867.84-4,189.50

Finding the Fourth Proportional to 14,580.18, 21,867.84 and 4,189.50

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Solution

The fourth proportional to 14,580.18, 21,867.84 and 4,189.50 is: 6,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.18 : 21,867.84 = 4,189.50 : x
  2. Step 2: Convert to fraction form
    14,580.18/21,867.84 = 4,189.50/x
  3. Step 3: Cross multiply
    14,580.18x = 21,867.84 × 4,189.50
  4. Step 4: Simplify right side
    14,580.18x = 91,615,315.68
  5. Step 5: Solve for x
    x = 91,615,315.68/14,580.18
  6. Step 6: Final answer
    x = 6,283.55

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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.