Home / 18,457.42-27,690.52-5,977.44

Finding the Fourth Proportional to 18,457.42, 27,690.52 and 5,977.44

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Solution

The fourth proportional to 18,457.42, 27,690.52 and 5,977.44 is: 8,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.42 : 27,690.52 = 5,977.44 : x
  2. Step 2: Convert to fraction form
    18,457.42/27,690.52 = 5,977.44/x
  3. Step 3: Cross multiply
    18,457.42x = 27,690.52 × 5,977.44
  4. Step 4: Simplify right side
    18,457.42x = 165,518,421.87
  5. Step 5: Solve for x
    x = 165,518,421.87/18,457.42
  6. Step 6: Final answer
    x = 8,967.58

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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.