Home / 13,309.88-19,924.96-12,836.74

Finding the Fourth Proportional to 13,309.88, 19,924.96 and 12,836.74

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Solution

The fourth proportional to 13,309.88, 19,924.96 and 12,836.74 is: 19,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.88 : 19,924.96 = 12,836.74 : x
  2. Step 2: Convert to fraction form
    13,309.88/19,924.96 = 12,836.74/x
  3. Step 3: Cross multiply
    13,309.88x = 19,924.96 × 12,836.74
  4. Step 4: Simplify right side
    13,309.88x = 255,771,531.03
  5. Step 5: Solve for x
    x = 255,771,531.03/13,309.88
  6. Step 6: Final answer
    x = 19,216.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.