Home / 12,886.08-19,334.64-5,494.02

Finding the Fourth Proportional to 12,886.08, 19,334.64 and 5,494.02

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Solution

The fourth proportional to 12,886.08, 19,334.64 and 5,494.02 is: 8,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.08 : 19,334.64 = 5,494.02 : x
  2. Step 2: Convert to fraction form
    12,886.08/19,334.64 = 5,494.02/x
  3. Step 3: Cross multiply
    12,886.08x = 19,334.64 × 5,494.02
  4. Step 4: Simplify right side
    12,886.08x = 106,224,898.85
  5. Step 5: Solve for x
    x = 106,224,898.85/12,886.08
  6. Step 6: Final answer
    x = 8,243.38

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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.