Home / 12,895.16-19,343.10-4,136.60

Finding the Fourth Proportional to 12,895.16, 19,343.10 and 4,136.60

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Solution

The fourth proportional to 12,895.16, 19,343.10 and 4,136.60 is: 6,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.16 : 19,343.10 = 4,136.60 : x
  2. Step 2: Convert to fraction form
    12,895.16/19,343.10 = 4,136.60/x
  3. Step 3: Cross multiply
    12,895.16x = 19,343.10 × 4,136.60
  4. Step 4: Simplify right side
    12,895.16x = 80,014,667.46
  5. Step 5: Solve for x
    x = 80,014,667.46/12,895.16
  6. Step 6: Final answer
    x = 6,205.02

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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.