Home / 10,647.26-14,702.46-6,675.20

Finding the Fourth Proportional to 10,647.26, 14,702.46 and 6,675.20

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Solution

The fourth proportional to 10,647.26, 14,702.46 and 6,675.20 is: 9,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.26 : 14,702.46 = 6,675.20 : x
  2. Step 2: Convert to fraction form
    10,647.26/14,702.46 = 6,675.20/x
  3. Step 3: Cross multiply
    10,647.26x = 14,702.46 × 6,675.20
  4. Step 4: Simplify right side
    10,647.26x = 98,141,860.99
  5. Step 5: Solve for x
    x = 98,141,860.99/10,647.26
  6. Step 6: Final answer
    x = 9,217.57

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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.