Home / 12,319.06-18,478.47-3,085.06

Finding the Fourth Proportional to 12,319.06, 18,478.47 and 3,085.06

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Solution

The fourth proportional to 12,319.06, 18,478.47 and 3,085.06 is: 4,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.06 : 18,478.47 = 3,085.06 : x
  2. Step 2: Convert to fraction form
    12,319.06/18,478.47 = 3,085.06/x
  3. Step 3: Cross multiply
    12,319.06x = 18,478.47 × 3,085.06
  4. Step 4: Simplify right side
    12,319.06x = 57,007,188.66
  5. Step 5: Solve for x
    x = 57,007,188.66/12,319.06
  6. Step 6: Final answer
    x = 4,627.56

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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.