Home / 19,245.13-28,867.76-5,394.13

Finding the Fourth Proportional to 19,245.13, 28,867.76 and 5,394.13

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Solution

The fourth proportional to 19,245.13, 28,867.76 and 5,394.13 is: 8,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.13 : 28,867.76 = 5,394.13 : x
  2. Step 2: Convert to fraction form
    19,245.13/28,867.76 = 5,394.13/x
  3. Step 3: Cross multiply
    19,245.13x = 28,867.76 × 5,394.13
  4. Step 4: Simplify right side
    19,245.13x = 155,716,450.25
  5. Step 5: Solve for x
    x = 155,716,450.25/19,245.13
  6. Step 6: Final answer
    x = 8,091.21

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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.