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Finding the Fourth Proportional to 8,954.97, 13,430.73 and 8,510.45

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Solution

The fourth proportional to 8,954.97, 13,430.73 and 8,510.45 is: 12,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.97 : 13,430.73 = 8,510.45 : x
  2. Step 2: Convert to fraction form
    8,954.97/13,430.73 = 8,510.45/x
  3. Step 3: Cross multiply
    8,954.97x = 13,430.73 × 8,510.45
  4. Step 4: Simplify right side
    8,954.97x = 114,301,513.58
  5. Step 5: Solve for x
    x = 114,301,513.58/8,954.97
  6. Step 6: Final answer
    x = 12,764.03

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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.