Home / 12,845.40-19,268.10-6,596.70

Finding the Fourth Proportional to 12,845.40, 19,268.10 and 6,596.70

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Solution

The fourth proportional to 12,845.40, 19,268.10 and 6,596.70 is: 9,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.40 : 19,268.10 = 6,596.70 : x
  2. Step 2: Convert to fraction form
    12,845.40/19,268.10 = 6,596.70/x
  3. Step 3: Cross multiply
    12,845.40x = 19,268.10 × 6,596.70
  4. Step 4: Simplify right side
    12,845.40x = 127,105,875.27
  5. Step 5: Solve for x
    x = 127,105,875.27/12,845.40
  6. Step 6: Final answer
    x = 9,895.05

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Similar ratio
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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.