Home / 14,651.64-21,980.18-4,791.44

Finding the Fourth Proportional to 14,651.64, 21,980.18 and 4,791.44

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Solution

The fourth proportional to 14,651.64, 21,980.18 and 4,791.44 is: 7,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.64 : 21,980.18 = 4,791.44 : x
  2. Step 2: Convert to fraction form
    14,651.64/21,980.18 = 4,791.44/x
  3. Step 3: Cross multiply
    14,651.64x = 21,980.18 × 4,791.44
  4. Step 4: Simplify right side
    14,651.64x = 105,316,780.59
  5. Step 5: Solve for x
    x = 105,316,780.59/14,651.64
  6. Step 6: Final answer
    x = 7,188.05

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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.