Home / 13,900.50-20,852.91-4,668.66

Finding the Fourth Proportional to 13,900.50, 20,852.91 and 4,668.66

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Solution

The fourth proportional to 13,900.50, 20,852.91 and 4,668.66 is: 7,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.50 : 20,852.91 = 4,668.66 : x
  2. Step 2: Convert to fraction form
    13,900.50/20,852.91 = 4,668.66/x
  3. Step 3: Cross multiply
    13,900.50x = 20,852.91 × 4,668.66
  4. Step 4: Simplify right side
    13,900.50x = 97,355,146.80
  5. Step 5: Solve for x
    x = 97,355,146.80/13,900.50
  6. Step 6: Final answer
    x = 7,003.72

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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.