Home / 13,968.90-19,307.70-12,277.62

Finding the Fourth Proportional to 13,968.90, 19,307.70 and 12,277.62

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Solution

The fourth proportional to 13,968.90, 19,307.70 and 12,277.62 is: 16,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.90 : 19,307.70 = 12,277.62 : x
  2. Step 2: Convert to fraction form
    13,968.90/19,307.70 = 12,277.62/x
  3. Step 3: Cross multiply
    13,968.90x = 19,307.70 × 12,277.62
  4. Step 4: Simplify right side
    13,968.90x = 237,052,603.67
  5. Step 5: Solve for x
    x = 237,052,603.67/13,968.90
  6. Step 6: Final answer
    x = 16,970.03

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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.