Home / 13,024.80-19,509.66-10,965.78

Finding the Fourth Proportional to 13,024.80, 19,509.66 and 10,965.78

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Solution

The fourth proportional to 13,024.80, 19,509.66 and 10,965.78 is: 16,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.80 : 19,509.66 = 10,965.78 : x
  2. Step 2: Convert to fraction form
    13,024.80/19,509.66 = 10,965.78/x
  3. Step 3: Cross multiply
    13,024.80x = 19,509.66 × 10,965.78
  4. Step 4: Simplify right side
    13,024.80x = 213,938,639.43
  5. Step 5: Solve for x
    x = 213,938,639.43/13,024.80
  6. Step 6: Final answer
    x = 16,425.48

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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.