Home / 13,189.84-19,770.39-4,862.84

Finding the Fourth Proportional to 13,189.84, 19,770.39 and 4,862.84

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Solution

The fourth proportional to 13,189.84, 19,770.39 and 4,862.84 is: 7,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.84 : 19,770.39 = 4,862.84 : x
  2. Step 2: Convert to fraction form
    13,189.84/19,770.39 = 4,862.84/x
  3. Step 3: Cross multiply
    13,189.84x = 19,770.39 × 4,862.84
  4. Step 4: Simplify right side
    13,189.84x = 96,140,144.46
  5. Step 5: Solve for x
    x = 96,140,144.46/13,189.84
  6. Step 6: Final answer
    x = 7,288.96

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1.5x scale

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.