Home / 12,965.28-19,455.48-5,468.39

Finding the Fourth Proportional to 12,965.28, 19,455.48 and 5,468.39

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Solution

The fourth proportional to 12,965.28, 19,455.48 and 5,468.39 is: 8,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.28 : 19,455.48 = 5,468.39 : x
  2. Step 2: Convert to fraction form
    12,965.28/19,455.48 = 5,468.39/x
  3. Step 3: Cross multiply
    12,965.28x = 19,455.48 × 5,468.39
  4. Step 4: Simplify right side
    12,965.28x = 106,390,055.00
  5. Step 5: Solve for x
    x = 106,390,055.00/12,965.28
  6. Step 6: Final answer
    x = 8,205.77

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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.