Home / 9,780.24-14,670.36-3,937.68

Finding the Fourth Proportional to 9,780.24, 14,670.36 and 3,937.68

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Solution

The fourth proportional to 9,780.24, 14,670.36 and 3,937.68 is: 5,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.24 : 14,670.36 = 3,937.68 : x
  2. Step 2: Convert to fraction form
    9,780.24/14,670.36 = 3,937.68/x
  3. Step 3: Cross multiply
    9,780.24x = 14,670.36 × 3,937.68
  4. Step 4: Simplify right side
    9,780.24x = 57,767,183.16
  5. Step 5: Solve for x
    x = 57,767,183.16/9,780.24
  6. Step 6: Final answer
    x = 5,906.52

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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.