Home / 12,124.02-16,727-6,817.70

Finding the Fourth Proportional to 12,124.02, 16,727 and 6,817.70

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Solution

The fourth proportional to 12,124.02, 16,727 and 6,817.70 is: 9,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.02 : 16,727 = 6,817.70 : x
  2. Step 2: Convert to fraction form
    12,124.02/16,727 = 6,817.70/x
  3. Step 3: Cross multiply
    12,124.02x = 16,727 × 6,817.70
  4. Step 4: Simplify right side
    12,124.02x = 114,039,667.90
  5. Step 5: Solve for x
    x = 114,039,667.90/12,124.02
  6. Step 6: Final answer
    x = 9,406.09

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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.