Home / 13,968.44-19,280.53-8,307.17

Finding the Fourth Proportional to 13,968.44, 19,280.53 and 8,307.17

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Solution

The fourth proportional to 13,968.44, 19,280.53 and 8,307.17 is: 11,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.44 : 19,280.53 = 8,307.17 : x
  2. Step 2: Convert to fraction form
    13,968.44/19,280.53 = 8,307.17/x
  3. Step 3: Cross multiply
    13,968.44x = 19,280.53 × 8,307.17
  4. Step 4: Simplify right side
    13,968.44x = 160,166,667.83
  5. Step 5: Solve for x
    x = 160,166,667.83/13,968.44
  6. Step 6: Final answer
    x = 11,466.33

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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.