Home / 13,124.90-19,670.92-10,340.60

Finding the Fourth Proportional to 13,124.90, 19,670.92 and 10,340.60

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Solution

The fourth proportional to 13,124.90, 19,670.92 and 10,340.60 is: 15,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.90 : 19,670.92 = 10,340.60 : x
  2. Step 2: Convert to fraction form
    13,124.90/19,670.92 = 10,340.60/x
  3. Step 3: Cross multiply
    13,124.90x = 19,670.92 × 10,340.60
  4. Step 4: Simplify right side
    13,124.90x = 203,408,991.15
  5. Step 5: Solve for x
    x = 203,408,991.15/13,124.90
  6. Step 6: Final answer
    x = 15,497.94

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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.