Home / 14,130.42-21,197.97-4,771.32

Finding the Fourth Proportional to 14,130.42, 21,197.97 and 4,771.32

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Solution

The fourth proportional to 14,130.42, 21,197.97 and 4,771.32 is: 7,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.42 : 21,197.97 = 4,771.32 : x
  2. Step 2: Convert to fraction form
    14,130.42/21,197.97 = 4,771.32/x
  3. Step 3: Cross multiply
    14,130.42x = 21,197.97 × 4,771.32
  4. Step 4: Simplify right side
    14,130.42x = 101,142,298.22
  5. Step 5: Solve for x
    x = 101,142,298.22/14,130.42
  6. Step 6: Final answer
    x = 7,157.77

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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.