Home / 13,093.36-19,636.80-4,771.84

Finding the Fourth Proportional to 13,093.36, 19,636.80 and 4,771.84

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Solution

The fourth proportional to 13,093.36, 19,636.80 and 4,771.84 is: 7,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.36 : 19,636.80 = 4,771.84 : x
  2. Step 2: Convert to fraction form
    13,093.36/19,636.80 = 4,771.84/x
  3. Step 3: Cross multiply
    13,093.36x = 19,636.80 × 4,771.84
  4. Step 4: Simplify right side
    13,093.36x = 93,703,667.71
  5. Step 5: Solve for x
    x = 93,703,667.71/13,093.36
  6. Step 6: Final answer
    x = 7,156.58

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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.