Home / 40,509.36-60,763.86-10,930.20

Finding the Fourth Proportional to 40,509.36, 60,763.86 and 10,930.20

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Solution

The fourth proportional to 40,509.36, 60,763.86 and 10,930.20 is: 16,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.36 : 60,763.86 = 10,930.20 : x
  2. Step 2: Convert to fraction form
    40,509.36/60,763.86 = 10,930.20/x
  3. Step 3: Cross multiply
    40,509.36x = 60,763.86 × 10,930.20
  4. Step 4: Simplify right side
    40,509.36x = 664,161,142.57
  5. Step 5: Solve for x
    x = 664,161,142.57/40,509.36
  6. Step 6: Final answer
    x = 16,395.25

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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.