Home / 9,369.43-12,929.93-5,120.46

Finding the Fourth Proportional to 9,369.43, 12,929.93 and 5,120.46

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Solution

The fourth proportional to 9,369.43, 12,929.93 and 5,120.46 is: 7,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.43 : 12,929.93 = 5,120.46 : x
  2. Step 2: Convert to fraction form
    9,369.43/12,929.93 = 5,120.46/x
  3. Step 3: Cross multiply
    9,369.43x = 12,929.93 × 5,120.46
  4. Step 4: Simplify right side
    9,369.43x = 66,207,189.37
  5. Step 5: Solve for x
    x = 66,207,189.37/9,369.43
  6. Step 6: Final answer
    x = 7,066.30

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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.