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Finding the Fourth Proportional to 14,014.42, 21,032.06 and 6,621.14

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Solution

The fourth proportional to 14,014.42, 21,032.06 and 6,621.14 is: 9,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.42 : 21,032.06 = 6,621.14 : x
  2. Step 2: Convert to fraction form
    14,014.42/21,032.06 = 6,621.14/x
  3. Step 3: Cross multiply
    14,014.42x = 21,032.06 × 6,621.14
  4. Step 4: Simplify right side
    14,014.42x = 139,256,233.22
  5. Step 5: Solve for x
    x = 139,256,233.22/14,014.42
  6. Step 6: Final answer
    x = 9,936.64

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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.