Home / 20,681.00-28,544.84-11,733.74

Finding the Fourth Proportional to 20,681.00, 28,544.84 and 11,733.74

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Solution

The fourth proportional to 20,681.00, 28,544.84 and 11,733.74 is: 16,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681.00 : 28,544.84 = 11,733.74 : x
  2. Step 2: Convert to fraction form
    20,681.00/28,544.84 = 11,733.74/x
  3. Step 3: Cross multiply
    20,681.00x = 28,544.84 × 11,733.74
  4. Step 4: Simplify right side
    20,681.00x = 334,937,529.51
  5. Step 5: Solve for x
    x = 334,937,529.51/20,681.00
  6. Step 6: Final answer
    x = 16,195.43

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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.