Home / 9,717.21-14,577.94-3,143.30

Finding the Fourth Proportional to 9,717.21, 14,577.94 and 3,143.30

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Solution

The fourth proportional to 9,717.21, 14,577.94 and 3,143.30 is: 4,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.21 : 14,577.94 = 3,143.30 : x
  2. Step 2: Convert to fraction form
    9,717.21/14,577.94 = 3,143.30/x
  3. Step 3: Cross multiply
    9,717.21x = 14,577.94 × 3,143.30
  4. Step 4: Simplify right side
    9,717.21x = 45,822,838.80
  5. Step 5: Solve for x
    x = 45,822,838.80/9,717.21
  6. Step 6: Final answer
    x = 4,715.64

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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.