Home / 12,614.06-18,921.93-4,180.53

Finding the Fourth Proportional to 12,614.06, 18,921.93 and 4,180.53

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Solution

The fourth proportional to 12,614.06, 18,921.93 and 4,180.53 is: 6,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.06 : 18,921.93 = 4,180.53 : x
  2. Step 2: Convert to fraction form
    12,614.06/18,921.93 = 4,180.53/x
  3. Step 3: Cross multiply
    12,614.06x = 18,921.93 × 4,180.53
  4. Step 4: Simplify right side
    12,614.06x = 79,103,696.02
  5. Step 5: Solve for x
    x = 79,103,696.02/12,614.06
  6. Step 6: Final answer
    x = 6,271.08

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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.