Home / 12,346.02-18,515.73-3,460.85

Finding the Fourth Proportional to 12,346.02, 18,515.73 and 3,460.85

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Solution

The fourth proportional to 12,346.02, 18,515.73 and 3,460.85 is: 5,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.02 : 18,515.73 = 3,460.85 : x
  2. Step 2: Convert to fraction form
    12,346.02/18,515.73 = 3,460.85/x
  3. Step 3: Cross multiply
    12,346.02x = 18,515.73 × 3,460.85
  4. Step 4: Simplify right side
    12,346.02x = 64,080,146.87
  5. Step 5: Solve for x
    x = 64,080,146.87/12,346.02
  6. Step 6: Final answer
    x = 5,190.35

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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.