Home / 12,948.53-19,417.91-4,181.09

Finding the Fourth Proportional to 12,948.53, 19,417.91 and 4,181.09

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Solution

The fourth proportional to 12,948.53, 19,417.91 and 4,181.09 is: 6,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.53 : 19,417.91 = 4,181.09 : x
  2. Step 2: Convert to fraction form
    12,948.53/19,417.91 = 4,181.09/x
  3. Step 3: Cross multiply
    12,948.53x = 19,417.91 × 4,181.09
  4. Step 4: Simplify right side
    12,948.53x = 81,187,911.33
  5. Step 5: Solve for x
    x = 81,187,911.33/12,948.53
  6. Step 6: Final answer
    x = 6,270.05

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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.