Home / 9,312.93-13,971.29-3,469.05

Finding the Fourth Proportional to 9,312.93, 13,971.29 and 3,469.05

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Solution

The fourth proportional to 9,312.93, 13,971.29 and 3,469.05 is: 5,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.93 : 13,971.29 = 3,469.05 : x
  2. Step 2: Convert to fraction form
    9,312.93/13,971.29 = 3,469.05/x
  3. Step 3: Cross multiply
    9,312.93x = 13,971.29 × 3,469.05
  4. Step 4: Simplify right side
    9,312.93x = 48,467,086.23
  5. Step 5: Solve for x
    x = 48,467,086.23/9,312.93
  6. Step 6: Final answer
    x = 5,204.28

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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.