Home / 19,539.55-29,260.71-13,668.67

Finding the Fourth Proportional to 19,539.55, 29,260.71 and 13,668.67

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Solution

The fourth proportional to 19,539.55, 29,260.71 and 13,668.67 is: 20,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.55 : 29,260.71 = 13,668.67 : x
  2. Step 2: Convert to fraction form
    19,539.55/29,260.71 = 13,668.67/x
  3. Step 3: Cross multiply
    19,539.55x = 29,260.71 × 13,668.67
  4. Step 4: Simplify right side
    19,539.55x = 399,954,988.96
  5. Step 5: Solve for x
    x = 399,954,988.96/19,539.55
  6. Step 6: Final answer
    x = 20,469.00

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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.