Home / 19,973.28-27,558.21-12,210.13

Finding the Fourth Proportional to 19,973.28, 27,558.21 and 12,210.13

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Solution

The fourth proportional to 19,973.28, 27,558.21 and 12,210.13 is: 16,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.28 : 27,558.21 = 12,210.13 : x
  2. Step 2: Convert to fraction form
    19,973.28/27,558.21 = 12,210.13/x
  3. Step 3: Cross multiply
    19,973.28x = 27,558.21 × 12,210.13
  4. Step 4: Simplify right side
    19,973.28x = 336,489,326.67
  5. Step 5: Solve for x
    x = 336,489,326.67/19,973.28
  6. Step 6: Final answer
    x = 16,846.97

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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.