Home / 19,966.86-27,559.08-12,007.55

Finding the Fourth Proportional to 19,966.86, 27,559.08 and 12,007.55

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Solution

The fourth proportional to 19,966.86, 27,559.08 and 12,007.55 is: 16,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.86 : 27,559.08 = 12,007.55 : x
  2. Step 2: Convert to fraction form
    19,966.86/27,559.08 = 12,007.55/x
  3. Step 3: Cross multiply
    19,966.86x = 27,559.08 × 12,007.55
  4. Step 4: Simplify right side
    19,966.86x = 330,917,099.95
  5. Step 5: Solve for x
    x = 330,917,099.95/19,966.86
  6. Step 6: Final answer
    x = 16,573.32

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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.