Home / 16,999.90-23,461.95-10,287.86

Finding the Fourth Proportional to 16,999.90, 23,461.95 and 10,287.86

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Solution

The fourth proportional to 16,999.90, 23,461.95 and 10,287.86 is: 14,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.90 : 23,461.95 = 10,287.86 : x
  2. Step 2: Convert to fraction form
    16,999.90/23,461.95 = 10,287.86/x
  3. Step 3: Cross multiply
    16,999.90x = 23,461.95 × 10,287.86
  4. Step 4: Simplify right side
    16,999.90x = 241,373,310.17
  5. Step 5: Solve for x
    x = 241,373,310.17/16,999.90
  6. Step 6: Final answer
    x = 14,198.51

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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.