Home / 9,379.53-14,058.68-3,138.08

Finding the Fourth Proportional to 9,379.53, 14,058.68 and 3,138.08

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Solution

The fourth proportional to 9,379.53, 14,058.68 and 3,138.08 is: 4,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.53 : 14,058.68 = 3,138.08 : x
  2. Step 2: Convert to fraction form
    9,379.53/14,058.68 = 3,138.08/x
  3. Step 3: Cross multiply
    9,379.53x = 14,058.68 × 3,138.08
  4. Step 4: Simplify right side
    9,379.53x = 44,117,176.55
  5. Step 5: Solve for x
    x = 44,117,176.55/9,379.53
  6. Step 6: Final answer
    x = 4,703.56

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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.