Home / 20,962.05-28,927.18-12,014.83

Finding the Fourth Proportional to 20,962.05, 28,927.18 and 12,014.83

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Solution

The fourth proportional to 20,962.05, 28,927.18 and 12,014.83 is: 16,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.05 : 28,927.18 = 12,014.83 : x
  2. Step 2: Convert to fraction form
    20,962.05/28,927.18 = 12,014.83/x
  3. Step 3: Cross multiply
    20,962.05x = 28,927.18 × 12,014.83
  4. Step 4: Simplify right side
    20,962.05x = 347,555,133.67
  5. Step 5: Solve for x
    x = 347,555,133.67/20,962.05
  6. Step 6: Final answer
    x = 16,580.20

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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.