Home / 15,060.21-20,800.82-12,045.80

Finding the Fourth Proportional to 15,060.21, 20,800.82 and 12,045.80

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Solution

The fourth proportional to 15,060.21, 20,800.82 and 12,045.80 is: 16,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.21 : 20,800.82 = 12,045.80 : x
  2. Step 2: Convert to fraction form
    15,060.21/20,800.82 = 12,045.80/x
  3. Step 3: Cross multiply
    15,060.21x = 20,800.82 × 12,045.80
  4. Step 4: Simplify right side
    15,060.21x = 250,562,443.67
  5. Step 5: Solve for x
    x = 250,562,443.67/15,060.21
  6. Step 6: Final answer
    x = 16,637.38

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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.