Home / 11,295.21-15,585.91-6,259.19

Finding the Fourth Proportional to 11,295.21, 15,585.91 and 6,259.19

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Solution

The fourth proportional to 11,295.21, 15,585.91 and 6,259.19 is: 8,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.21 : 15,585.91 = 6,259.19 : x
  2. Step 2: Convert to fraction form
    11,295.21/15,585.91 = 6,259.19/x
  3. Step 3: Cross multiply
    11,295.21x = 15,585.91 × 6,259.19
  4. Step 4: Simplify right side
    11,295.21x = 97,555,062.79
  5. Step 5: Solve for x
    x = 97,555,062.79/11,295.21
  6. Step 6: Final answer
    x = 8,636.86

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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.