Home / 13,074.95-19,612.43-5,289.23

Finding the Fourth Proportional to 13,074.95, 19,612.43 and 5,289.23

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Solution

The fourth proportional to 13,074.95, 19,612.43 and 5,289.23 is: 7,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.95 : 19,612.43 = 5,289.23 : x
  2. Step 2: Convert to fraction form
    13,074.95/19,612.43 = 5,289.23/x
  3. Step 3: Cross multiply
    13,074.95x = 19,612.43 × 5,289.23
  4. Step 4: Simplify right side
    13,074.95x = 103,734,695.55
  5. Step 5: Solve for x
    x = 103,734,695.55/13,074.95
  6. Step 6: Final answer
    x = 7,933.85

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Similar ratio
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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.