Home / 15,307.88-22,958.92-4,211.80

Finding the Fourth Proportional to 15,307.88, 22,958.92 and 4,211.80

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Solution

The fourth proportional to 15,307.88, 22,958.92 and 4,211.80 is: 6,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.88 : 22,958.92 = 4,211.80 : x
  2. Step 2: Convert to fraction form
    15,307.88/22,958.92 = 4,211.80/x
  3. Step 3: Cross multiply
    15,307.88x = 22,958.92 × 4,211.80
  4. Step 4: Simplify right side
    15,307.88x = 96,698,379.26
  5. Step 5: Solve for x
    x = 96,698,379.26/15,307.88
  6. Step 6: Final answer
    x = 6,316.90

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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.