Home / 12,156.42-16,777.44-6,852.90

Finding the Fourth Proportional to 12,156.42, 16,777.44 and 6,852.90

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Solution

The fourth proportional to 12,156.42, 16,777.44 and 6,852.90 is: 9,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.42 : 16,777.44 = 6,852.90 : x
  2. Step 2: Convert to fraction form
    12,156.42/16,777.44 = 6,852.90/x
  3. Step 3: Cross multiply
    12,156.42x = 16,777.44 × 6,852.90
  4. Step 4: Simplify right side
    12,156.42x = 114,974,118.58
  5. Step 5: Solve for x
    x = 114,974,118.58/12,156.42
  6. Step 6: Final answer
    x = 9,457.89

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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.