Home / 14,938.75-20,616.85-8,225.74

Finding the Fourth Proportional to 14,938.75, 20,616.85 and 8,225.74

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Solution

The fourth proportional to 14,938.75, 20,616.85 and 8,225.74 is: 11,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.75 : 20,616.85 = 8,225.74 : x
  2. Step 2: Convert to fraction form
    14,938.75/20,616.85 = 8,225.74/x
  3. Step 3: Cross multiply
    14,938.75x = 20,616.85 × 8,225.74
  4. Step 4: Simplify right side
    14,938.75x = 169,588,847.72
  5. Step 5: Solve for x
    x = 169,588,847.72/14,938.75
  6. Step 6: Final answer
    x = 11,352.28

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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.