Home / 20,883.08-31,314.90-7,735.16

Finding the Fourth Proportional to 20,883.08, 31,314.90 and 7,735.16

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Solution

The fourth proportional to 20,883.08, 31,314.90 and 7,735.16 is: 11,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.08 : 31,314.90 = 7,735.16 : x
  2. Step 2: Convert to fraction form
    20,883.08/31,314.90 = 7,735.16/x
  3. Step 3: Cross multiply
    20,883.08x = 31,314.90 × 7,735.16
  4. Step 4: Simplify right side
    20,883.08x = 242,225,761.88
  5. Step 5: Solve for x
    x = 242,225,761.88/20,883.08
  6. Step 6: Final answer
    x = 11,599.14

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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.