Home / 19,973.94-27,559.11-12,210.80

Finding the Fourth Proportional to 19,973.94, 27,559.11 and 12,210.80

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Solution

The fourth proportional to 19,973.94, 27,559.11 and 12,210.80 is: 16,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.94 : 27,559.11 = 12,210.80 : x
  2. Step 2: Convert to fraction form
    19,973.94/27,559.11 = 12,210.80/x
  3. Step 3: Cross multiply
    19,973.94x = 27,559.11 × 12,210.80
  4. Step 4: Simplify right side
    19,973.94x = 336,518,642.59
  5. Step 5: Solve for x
    x = 336,518,642.59/19,973.94
  6. Step 6: Final answer
    x = 16,847.89

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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.