Home / 13,983.63-20,970.44-4,621.92

Finding the Fourth Proportional to 13,983.63, 20,970.44 and 4,621.92

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Solution

The fourth proportional to 13,983.63, 20,970.44 and 4,621.92 is: 6,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.63 : 20,970.44 = 4,621.92 : x
  2. Step 2: Convert to fraction form
    13,983.63/20,970.44 = 4,621.92/x
  3. Step 3: Cross multiply
    13,983.63x = 20,970.44 × 4,621.92
  4. Step 4: Simplify right side
    13,983.63x = 96,923,637.63
  5. Step 5: Solve for x
    x = 96,923,637.63/13,983.63
  6. Step 6: Final answer
    x = 6,931.22

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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.