Home / 9,176.93-12,663.82-4,985.09

Finding the Fourth Proportional to 9,176.93, 12,663.82 and 4,985.09

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Solution

The fourth proportional to 9,176.93, 12,663.82 and 4,985.09 is: 6,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.93 : 12,663.82 = 4,985.09 : x
  2. Step 2: Convert to fraction form
    9,176.93/12,663.82 = 4,985.09/x
  3. Step 3: Cross multiply
    9,176.93x = 12,663.82 × 4,985.09
  4. Step 4: Simplify right side
    9,176.93x = 63,130,282.44
  5. Step 5: Solve for x
    x = 63,130,282.44/9,176.93
  6. Step 6: Final answer
    x = 6,879.24

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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.