Home / 11,309.73-16,936.65-6,617.40

Finding the Fourth Proportional to 11,309.73, 16,936.65 and 6,617.40

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Solution

The fourth proportional to 11,309.73, 16,936.65 and 6,617.40 is: 9,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.73 : 16,936.65 = 6,617.40 : x
  2. Step 2: Convert to fraction form
    11,309.73/16,936.65 = 6,617.40/x
  3. Step 3: Cross multiply
    11,309.73x = 16,936.65 × 6,617.40
  4. Step 4: Simplify right side
    11,309.73x = 112,076,587.71
  5. Step 5: Solve for x
    x = 112,076,587.71/11,309.73
  6. Step 6: Final answer
    x = 9,909.75

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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.