Home / 13,621.04-18,796.68-7,652.64

Finding the Fourth Proportional to 13,621.04, 18,796.68 and 7,652.64

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Solution

The fourth proportional to 13,621.04, 18,796.68 and 7,652.64 is: 10,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.04 : 18,796.68 = 7,652.64 : x
  2. Step 2: Convert to fraction form
    13,621.04/18,796.68 = 7,652.64/x
  3. Step 3: Cross multiply
    13,621.04x = 18,796.68 × 7,652.64
  4. Step 4: Simplify right side
    13,621.04x = 143,844,225.24
  5. Step 5: Solve for x
    x = 143,844,225.24/13,621.04
  6. Step 6: Final answer
    x = 10,560.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.