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Finding the Fourth Proportional to 10,759.91, 14,851.78 and 6,510.99

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Solution

The fourth proportional to 10,759.91, 14,851.78 and 6,510.99 is: 8,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.91 : 14,851.78 = 6,510.99 : x
  2. Step 2: Convert to fraction form
    10,759.91/14,851.78 = 6,510.99/x
  3. Step 3: Cross multiply
    10,759.91x = 14,851.78 × 6,510.99
  4. Step 4: Simplify right side
    10,759.91x = 96,699,791.06
  5. Step 5: Solve for x
    x = 96,699,791.06/10,759.91
  6. Step 6: Final answer
    x = 8,987.04

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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.