Home / 9,421.01-14,128.80-3,798.68

Finding the Fourth Proportional to 9,421.01, 14,128.80 and 3,798.68

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Solution

The fourth proportional to 9,421.01, 14,128.80 and 3,798.68 is: 5,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.01 : 14,128.80 = 3,798.68 : x
  2. Step 2: Convert to fraction form
    9,421.01/14,128.80 = 3,798.68/x
  3. Step 3: Cross multiply
    9,421.01x = 14,128.80 × 3,798.68
  4. Step 4: Simplify right side
    9,421.01x = 53,670,789.98
  5. Step 5: Solve for x
    x = 53,670,789.98/9,421.01
  6. Step 6: Final answer
    x = 5,696.93

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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.