Home / 11,008.95-16,503.70-8,423.43

Finding the Fourth Proportional to 11,008.95, 16,503.70 and 8,423.43

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Solution

The fourth proportional to 11,008.95, 16,503.70 and 8,423.43 is: 12,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.95 : 16,503.70 = 8,423.43 : x
  2. Step 2: Convert to fraction form
    11,008.95/16,503.70 = 8,423.43/x
  3. Step 3: Cross multiply
    11,008.95x = 16,503.70 × 8,423.43
  4. Step 4: Simplify right side
    11,008.95x = 139,017,720.43
  5. Step 5: Solve for x
    x = 139,017,720.43/11,008.95
  6. Step 6: Final answer
    x = 12,627.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.