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Finding the Fourth Proportional to 21,446, 29,595.48 and 12,014.56

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Solution

The fourth proportional to 21,446, 29,595.48 and 12,014.56 is: 16,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446 : 29,595.48 = 12,014.56 : x
  2. Step 2: Convert to fraction form
    21,446/29,595.48 = 12,014.56/x
  3. Step 3: Cross multiply
    21,446x = 29,595.48 × 12,014.56
  4. Step 4: Simplify right side
    21,446x = 355,576,670.19
  5. Step 5: Solve for x
    x = 355,576,670.19/21,446
  6. Step 6: Final answer
    x = 16,580.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.