Home / 12,630.10-18,941.52-4,837.12

Finding the Fourth Proportional to 12,630.10, 18,941.52 and 4,837.12

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Solution

The fourth proportional to 12,630.10, 18,941.52 and 4,837.12 is: 7,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.10 : 18,941.52 = 4,837.12 : x
  2. Step 2: Convert to fraction form
    12,630.10/18,941.52 = 4,837.12/x
  3. Step 3: Cross multiply
    12,630.10x = 18,941.52 × 4,837.12
  4. Step 4: Simplify right side
    12,630.10x = 91,622,405.22
  5. Step 5: Solve for x
    x = 91,622,405.22/12,630.10
  6. Step 6: Final answer
    x = 7,254.29

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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.