Home / 9,484.09-13,094.21-8,487.65

Finding the Fourth Proportional to 9,484.09, 13,094.21 and 8,487.65

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Solution

The fourth proportional to 9,484.09, 13,094.21 and 8,487.65 is: 11,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.09 : 13,094.21 = 8,487.65 : x
  2. Step 2: Convert to fraction form
    9,484.09/13,094.21 = 8,487.65/x
  3. Step 3: Cross multiply
    9,484.09x = 13,094.21 × 8,487.65
  4. Step 4: Simplify right side
    9,484.09x = 111,139,029.07
  5. Step 5: Solve for x
    x = 111,139,029.07/9,484.09
  6. Step 6: Final answer
    x = 11,718.48

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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.