Home / 18,449.08-27,670.64-5,298.46

Finding the Fourth Proportional to 18,449.08, 27,670.64 and 5,298.46

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Solution

The fourth proportional to 18,449.08, 27,670.64 and 5,298.46 is: 7,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.08 : 27,670.64 = 5,298.46 : x
  2. Step 2: Convert to fraction form
    18,449.08/27,670.64 = 5,298.46/x
  3. Step 3: Cross multiply
    18,449.08x = 27,670.64 × 5,298.46
  4. Step 4: Simplify right side
    18,449.08x = 146,611,614.37
  5. Step 5: Solve for x
    x = 146,611,614.37/18,449.08
  6. Step 6: Final answer
    x = 7,946.83

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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.