Home / 14,186.34-21,280.23-4,827.42

Finding the Fourth Proportional to 14,186.34, 21,280.23 and 4,827.42

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Solution

The fourth proportional to 14,186.34, 21,280.23 and 4,827.42 is: 7,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.34 : 21,280.23 = 4,827.42 : x
  2. Step 2: Convert to fraction form
    14,186.34/21,280.23 = 4,827.42/x
  3. Step 3: Cross multiply
    14,186.34x = 21,280.23 × 4,827.42
  4. Step 4: Simplify right side
    14,186.34x = 102,728,607.91
  5. Step 5: Solve for x
    x = 102,728,607.91/14,186.34
  6. Step 6: Final answer
    x = 7,241.38

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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.