Home / 13,798.23-20,700.84-3,937.55

Finding the Fourth Proportional to 13,798.23, 20,700.84 and 3,937.55

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Solution

The fourth proportional to 13,798.23, 20,700.84 and 3,937.55 is: 5,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.23 : 20,700.84 = 3,937.55 : x
  2. Step 2: Convert to fraction form
    13,798.23/20,700.84 = 3,937.55/x
  3. Step 3: Cross multiply
    13,798.23x = 20,700.84 × 3,937.55
  4. Step 4: Simplify right side
    13,798.23x = 81,510,479.19
  5. Step 5: Solve for x
    x = 81,510,479.19/13,798.23
  6. Step 6: Final answer
    x = 5,907.31

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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.