Home / 12,817.02-19,207.84-6,157.60

Finding the Fourth Proportional to 12,817.02, 19,207.84 and 6,157.60

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Solution

The fourth proportional to 12,817.02, 19,207.84 and 6,157.60 is: 9,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.02 : 19,207.84 = 6,157.60 : x
  2. Step 2: Convert to fraction form
    12,817.02/19,207.84 = 6,157.60/x
  3. Step 3: Cross multiply
    12,817.02x = 19,207.84 × 6,157.60
  4. Step 4: Simplify right side
    12,817.02x = 118,274,215.57
  5. Step 5: Solve for x
    x = 118,274,215.57/12,817.02
  6. Step 6: Final answer
    x = 9,227.91

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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.