Home / 9,720.74-14,583.43-3,146.93

Finding the Fourth Proportional to 9,720.74, 14,583.43 and 3,146.93

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Solution

The fourth proportional to 9,720.74, 14,583.43 and 3,146.93 is: 4,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.74 : 14,583.43 = 3,146.93 : x
  2. Step 2: Convert to fraction form
    9,720.74/14,583.43 = 3,146.93/x
  3. Step 3: Cross multiply
    9,720.74x = 14,583.43 × 3,146.93
  4. Step 4: Simplify right side
    9,720.74x = 45,892,977.25
  5. Step 5: Solve for x
    x = 45,892,977.25/9,720.74
  6. Step 6: Final answer
    x = 4,721.14

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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.