Home / 13,276.80-19,921.92-5,886.08

Finding the Fourth Proportional to 13,276.80, 19,921.92 and 5,886.08

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Solution

The fourth proportional to 13,276.80, 19,921.92 and 5,886.08 is: 8,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.80 : 19,921.92 = 5,886.08 : x
  2. Step 2: Convert to fraction form
    13,276.80/19,921.92 = 5,886.08/x
  3. Step 3: Cross multiply
    13,276.80x = 19,921.92 × 5,886.08
  4. Step 4: Simplify right side
    13,276.80x = 117,262,014.87
  5. Step 5: Solve for x
    x = 117,262,014.87/13,276.80
  6. Step 6: Final answer
    x = 8,832.10

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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.