Home / 11,242.89-16,862.99-8,746.57

Finding the Fourth Proportional to 11,242.89, 16,862.99 and 8,746.57

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Solution

The fourth proportional to 11,242.89, 16,862.99 and 8,746.57 is: 13,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.89 : 16,862.99 = 8,746.57 : x
  2. Step 2: Convert to fraction form
    11,242.89/16,862.99 = 8,746.57/x
  3. Step 3: Cross multiply
    11,242.89x = 16,862.99 × 8,746.57
  4. Step 4: Simplify right side
    11,242.89x = 147,493,236.55
  5. Step 5: Solve for x
    x = 147,493,236.55/11,242.89
  6. Step 6: Final answer
    x = 13,118.80

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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.