Home / 12,718.44-19,071.51-4,395.54

Finding the Fourth Proportional to 12,718.44, 19,071.51 and 4,395.54

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Solution

The fourth proportional to 12,718.44, 19,071.51 and 4,395.54 is: 6,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.44 : 19,071.51 = 4,395.54 : x
  2. Step 2: Convert to fraction form
    12,718.44/19,071.51 = 4,395.54/x
  3. Step 3: Cross multiply
    12,718.44x = 19,071.51 × 4,395.54
  4. Step 4: Simplify right side
    12,718.44x = 83,829,585.07
  5. Step 5: Solve for x
    x = 83,829,585.07/12,718.44
  6. Step 6: Final answer
    x = 6,591.18

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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.