Home / 8,625.98-12,945.48-6,915.26

Finding the Fourth Proportional to 8,625.98, 12,945.48 and 6,915.26

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Solution

The fourth proportional to 8,625.98, 12,945.48 and 6,915.26 is: 10,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.98 : 12,945.48 = 6,915.26 : x
  2. Step 2: Convert to fraction form
    8,625.98/12,945.48 = 6,915.26/x
  3. Step 3: Cross multiply
    8,625.98x = 12,945.48 × 6,915.26
  4. Step 4: Simplify right side
    8,625.98x = 89,521,360.02
  5. Step 5: Solve for x
    x = 89,521,360.02/8,625.98
  6. Step 6: Final answer
    x = 10,378.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.