Home / 21,302.02-29,396.73-12,354.72

Finding the Fourth Proportional to 21,302.02, 29,396.73 and 12,354.72

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Solution

The fourth proportional to 21,302.02, 29,396.73 and 12,354.72 is: 17,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.02 : 29,396.73 = 12,354.72 : x
  2. Step 2: Convert to fraction form
    21,302.02/29,396.73 = 12,354.72/x
  3. Step 3: Cross multiply
    21,302.02x = 29,396.73 × 12,354.72
  4. Step 4: Simplify right side
    21,302.02x = 363,188,221.08
  5. Step 5: Solve for x
    x = 363,188,221.08/21,302.02
  6. Step 6: Final answer
    x = 17,049.47

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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.