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Finding the Fourth Proportional to 13,959, 19,266.26 and 8,295.89

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Solution

The fourth proportional to 13,959, 19,266.26 and 8,295.89 is: 11,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959 : 19,266.26 = 8,295.89 : x
  2. Step 2: Convert to fraction form
    13,959/19,266.26 = 8,295.89/x
  3. Step 3: Cross multiply
    13,959x = 19,266.26 × 8,295.89
  4. Step 4: Simplify right side
    13,959x = 159,830,635.86
  5. Step 5: Solve for x
    x = 159,830,635.86/13,959
  6. Step 6: Final answer
    x = 11,450.01

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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.