Home / 12,837.58-19,256.40-3,477.66

Finding the Fourth Proportional to 12,837.58, 19,256.40 and 3,477.66

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Solution

The fourth proportional to 12,837.58, 19,256.40 and 3,477.66 is: 5,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.58 : 19,256.40 = 3,477.66 : x
  2. Step 2: Convert to fraction form
    12,837.58/19,256.40 = 3,477.66/x
  3. Step 3: Cross multiply
    12,837.58x = 19,256.40 × 3,477.66
  4. Step 4: Simplify right side
    12,837.58x = 66,967,115.74
  5. Step 5: Solve for x
    x = 66,967,115.74/12,837.58
  6. Step 6: Final answer
    x = 5,216.49

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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.