Home / 12,946.37-19,417.46-4,181.32

Finding the Fourth Proportional to 12,946.37, 19,417.46 and 4,181.32

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Solution

The fourth proportional to 12,946.37, 19,417.46 and 4,181.32 is: 6,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.37 : 19,417.46 = 4,181.32 : x
  2. Step 2: Convert to fraction form
    12,946.37/19,417.46 = 4,181.32/x
  3. Step 3: Cross multiply
    12,946.37x = 19,417.46 × 4,181.32
  4. Step 4: Simplify right side
    12,946.37x = 81,190,617.21
  5. Step 5: Solve for x
    x = 81,190,617.21/12,946.37
  6. Step 6: Final answer
    x = 6,271.31

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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.