Home / 9,384.74-12,939.18-6,021.62

Finding the Fourth Proportional to 9,384.74, 12,939.18 and 6,021.62

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Solution

The fourth proportional to 9,384.74, 12,939.18 and 6,021.62 is: 8,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.74 : 12,939.18 = 6,021.62 : x
  2. Step 2: Convert to fraction form
    9,384.74/12,939.18 = 6,021.62/x
  3. Step 3: Cross multiply
    9,384.74x = 12,939.18 × 6,021.62
  4. Step 4: Simplify right side
    9,384.74x = 77,914,825.07
  5. Step 5: Solve for x
    x = 77,914,825.07/9,384.74
  6. Step 6: Final answer
    x = 8,302.29

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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.