Home / 19,509.39-29,245.62-12,017.55

Finding the Fourth Proportional to 19,509.39, 29,245.62 and 12,017.55

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Solution

The fourth proportional to 19,509.39, 29,245.62 and 12,017.55 is: 18,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.39 : 29,245.62 = 12,017.55 : x
  2. Step 2: Convert to fraction form
    19,509.39/29,245.62 = 12,017.55/x
  3. Step 3: Cross multiply
    19,509.39x = 29,245.62 × 12,017.55
  4. Step 4: Simplify right side
    19,509.39x = 351,460,700.63
  5. Step 5: Solve for x
    x = 351,460,700.63/19,509.39
  6. Step 6: Final answer
    x = 18,014.95

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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.