Home / 19,925.45-27,497.18-11,967.80

Finding the Fourth Proportional to 19,925.45, 27,497.18 and 11,967.80

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Solution

The fourth proportional to 19,925.45, 27,497.18 and 11,967.80 is: 16,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.45 : 27,497.18 = 11,967.80 : x
  2. Step 2: Convert to fraction form
    19,925.45/27,497.18 = 11,967.80/x
  3. Step 3: Cross multiply
    19,925.45x = 27,497.18 × 11,967.80
  4. Step 4: Simplify right side
    19,925.45x = 329,080,690.97
  5. Step 5: Solve for x
    x = 329,080,690.97/19,925.45
  6. Step 6: Final answer
    x = 16,515.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.