Home / 13,312.36-19,968.60-6,365.80

Finding the Fourth Proportional to 13,312.36, 19,968.60 and 6,365.80

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Solution

The fourth proportional to 13,312.36, 19,968.60 and 6,365.80 is: 9,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.36 : 19,968.60 = 6,365.80 : x
  2. Step 2: Convert to fraction form
    13,312.36/19,968.60 = 6,365.80/x
  3. Step 3: Cross multiply
    13,312.36x = 19,968.60 × 6,365.80
  4. Step 4: Simplify right side
    13,312.36x = 127,116,113.88
  5. Step 5: Solve for x
    x = 127,116,113.88/13,312.36
  6. Step 6: Final answer
    x = 9,548.73

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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.