Home / 12,987.24-19,465.47-5,961.34

Finding the Fourth Proportional to 12,987.24, 19,465.47 and 5,961.34

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Solution

The fourth proportional to 12,987.24, 19,465.47 and 5,961.34 is: 8,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987.24 : 19,465.47 = 5,961.34 : x
  2. Step 2: Convert to fraction form
    12,987.24/19,465.47 = 5,961.34/x
  3. Step 3: Cross multiply
    12,987.24x = 19,465.47 × 5,961.34
  4. Step 4: Simplify right side
    12,987.24x = 116,040,284.93
  5. Step 5: Solve for x
    x = 116,040,284.93/12,987.24
  6. Step 6: Final answer
    x = 8,934.95

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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.