Home / 13,975.79-20,959.23-4,614.06

Finding the Fourth Proportional to 13,975.79, 20,959.23 and 4,614.06

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Solution

The fourth proportional to 13,975.79, 20,959.23 and 4,614.06 is: 6,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.79 : 20,959.23 = 4,614.06 : x
  2. Step 2: Convert to fraction form
    13,975.79/20,959.23 = 4,614.06/x
  3. Step 3: Cross multiply
    13,975.79x = 20,959.23 × 4,614.06
  4. Step 4: Simplify right side
    13,975.79x = 96,707,144.77
  5. Step 5: Solve for x
    x = 96,707,144.77/13,975.79
  6. Step 6: Final answer
    x = 6,919.62

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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.