Home / 12,808.32-19,218.96-5,021.52

Finding the Fourth Proportional to 12,808.32, 19,218.96 and 5,021.52

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Solution

The fourth proportional to 12,808.32, 19,218.96 and 5,021.52 is: 7,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.32 : 19,218.96 = 5,021.52 : x
  2. Step 2: Convert to fraction form
    12,808.32/19,218.96 = 5,021.52/x
  3. Step 3: Cross multiply
    12,808.32x = 19,218.96 × 5,021.52
  4. Step 4: Simplify right side
    12,808.32x = 96,508,392.02
  5. Step 5: Solve for x
    x = 96,508,392.02/12,808.32
  6. Step 6: Final answer
    x = 7,534.82

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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.