Home / 11,689.02-16,130.91-6,383.52

Finding the Fourth Proportional to 11,689.02, 16,130.91 and 6,383.52

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Solution

The fourth proportional to 11,689.02, 16,130.91 and 6,383.52 is: 8,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.02 : 16,130.91 = 6,383.52 : x
  2. Step 2: Convert to fraction form
    11,689.02/16,130.91 = 6,383.52/x
  3. Step 3: Cross multiply
    11,689.02x = 16,130.91 × 6,383.52
  4. Step 4: Simplify right side
    11,689.02x = 102,971,986.60
  5. Step 5: Solve for x
    x = 102,971,986.60/11,689.02
  6. Step 6: Final answer
    x = 8,809.29

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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.