Home / 13,228.39-19,839.22-4,903.81

Finding the Fourth Proportional to 13,228.39, 19,839.22 and 4,903.81

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Solution

The fourth proportional to 13,228.39, 19,839.22 and 4,903.81 is: 7,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.39 : 19,839.22 = 4,903.81 : x
  2. Step 2: Convert to fraction form
    13,228.39/19,839.22 = 4,903.81/x
  3. Step 3: Cross multiply
    13,228.39x = 19,839.22 × 4,903.81
  4. Step 4: Simplify right side
    13,228.39x = 97,287,765.43
  5. Step 5: Solve for x
    x = 97,287,765.43/13,228.39
  6. Step 6: Final answer
    x = 7,354.47

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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.