Home / 14,975.28-20,638.32-12,000.96

Finding the Fourth Proportional to 14,975.28, 20,638.32 and 12,000.96

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Solution

The fourth proportional to 14,975.28, 20,638.32 and 12,000.96 is: 16,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.28 : 20,638.32 = 12,000.96 : x
  2. Step 2: Convert to fraction form
    14,975.28/20,638.32 = 12,000.96/x
  3. Step 3: Cross multiply
    14,975.28x = 20,638.32 × 12,000.96
  4. Step 4: Simplify right side
    14,975.28x = 247,679,652.79
  5. Step 5: Solve for x
    x = 247,679,652.79/14,975.28
  6. Step 6: Final answer
    x = 16,539.23

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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.