Home / 12,515.94-18,682.58-11,590.92

Finding the Fourth Proportional to 12,515.94, 18,682.58 and 11,590.92

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Solution

The fourth proportional to 12,515.94, 18,682.58 and 11,590.92 is: 17,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.94 : 18,682.58 = 11,590.92 : x
  2. Step 2: Convert to fraction form
    12,515.94/18,682.58 = 11,590.92/x
  3. Step 3: Cross multiply
    12,515.94x = 18,682.58 × 11,590.92
  4. Step 4: Simplify right side
    12,515.94x = 216,548,290.17
  5. Step 5: Solve for x
    x = 216,548,290.17/12,515.94
  6. Step 6: Final answer
    x = 17,301.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.