Home / 11,295.13-15,587.31-6,259.43

Finding the Fourth Proportional to 11,295.13, 15,587.31 and 6,259.43

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Solution

The fourth proportional to 11,295.13, 15,587.31 and 6,259.43 is: 8,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.13 : 15,587.31 = 6,259.43 : x
  2. Step 2: Convert to fraction form
    11,295.13/15,587.31 = 6,259.43/x
  3. Step 3: Cross multiply
    11,295.13x = 15,587.31 × 6,259.43
  4. Step 4: Simplify right side
    11,295.13x = 97,567,738.27
  5. Step 5: Solve for x
    x = 97,567,738.27/11,295.13
  6. Step 6: Final answer
    x = 8,638.04

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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.