Home / 13,295.42-19,921.26-10,539.80

Finding the Fourth Proportional to 13,295.42, 19,921.26 and 10,539.80

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Solution

The fourth proportional to 13,295.42, 19,921.26 and 10,539.80 is: 15,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.42 : 19,921.26 = 10,539.80 : x
  2. Step 2: Convert to fraction form
    13,295.42/19,921.26 = 10,539.80/x
  3. Step 3: Cross multiply
    13,295.42x = 19,921.26 × 10,539.80
  4. Step 4: Simplify right side
    13,295.42x = 209,966,096.15
  5. Step 5: Solve for x
    x = 209,966,096.15/13,295.42
  6. Step 6: Final answer
    x = 15,792.36

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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.