Home / 12,415.02-18,622.36-3,055.15

Finding the Fourth Proportional to 12,415.02, 18,622.36 and 3,055.15

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Solution

The fourth proportional to 12,415.02, 18,622.36 and 3,055.15 is: 4,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.02 : 18,622.36 = 3,055.15 : x
  2. Step 2: Convert to fraction form
    12,415.02/18,622.36 = 3,055.15/x
  3. Step 3: Cross multiply
    12,415.02x = 18,622.36 × 3,055.15
  4. Step 4: Simplify right side
    12,415.02x = 56,894,103.15
  5. Step 5: Solve for x
    x = 56,894,103.15/12,415.02
  6. Step 6: Final answer
    x = 4,582.68

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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.