Home / 13,212.07-19,817.16-4,890.55

Finding the Fourth Proportional to 13,212.07, 19,817.16 and 4,890.55

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Solution

The fourth proportional to 13,212.07, 19,817.16 and 4,890.55 is: 7,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.07 : 19,817.16 = 4,890.55 : x
  2. Step 2: Convert to fraction form
    13,212.07/19,817.16 = 4,890.55/x
  3. Step 3: Cross multiply
    13,212.07x = 19,817.16 × 4,890.55
  4. Step 4: Simplify right side
    13,212.07x = 96,916,811.84
  5. Step 5: Solve for x
    x = 96,916,811.84/13,212.07
  6. Step 6: Final answer
    x = 7,335.48

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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.