Home / 21,492.42-29,659.54-12,060.98

Finding the Fourth Proportional to 21,492.42, 29,659.54 and 12,060.98

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Solution

The fourth proportional to 21,492.42, 29,659.54 and 12,060.98 is: 16,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.42 : 29,659.54 = 12,060.98 : x
  2. Step 2: Convert to fraction form
    21,492.42/29,659.54 = 12,060.98/x
  3. Step 3: Cross multiply
    21,492.42x = 29,659.54 × 12,060.98
  4. Step 4: Simplify right side
    21,492.42x = 357,723,118.75
  5. Step 5: Solve for x
    x = 357,723,118.75/21,492.42
  6. Step 6: Final answer
    x = 16,644.15

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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.