Home / 10,605.24-14,618.52-8,079.36

Finding the Fourth Proportional to 10,605.24, 14,618.52 and 8,079.36

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Solution

The fourth proportional to 10,605.24, 14,618.52 and 8,079.36 is: 11,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.24 : 14,618.52 = 8,079.36 : x
  2. Step 2: Convert to fraction form
    10,605.24/14,618.52 = 8,079.36/x
  3. Step 3: Cross multiply
    10,605.24x = 14,618.52 × 8,079.36
  4. Step 4: Simplify right side
    10,605.24x = 118,108,285.75
  5. Step 5: Solve for x
    x = 118,108,285.75/10,605.24
  6. Step 6: Final answer
    x = 11,136.79

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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.