Home / 20,314.68-30,466.56-7,165.32

Finding the Fourth Proportional to 20,314.68, 30,466.56 and 7,165.32

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Solution

The fourth proportional to 20,314.68, 30,466.56 and 7,165.32 is: 10,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.68 : 30,466.56 = 7,165.32 : x
  2. Step 2: Convert to fraction form
    20,314.68/30,466.56 = 7,165.32/x
  3. Step 3: Cross multiply
    20,314.68x = 30,466.56 × 7,165.32
  4. Step 4: Simplify right side
    20,314.68x = 218,302,651.70
  5. Step 5: Solve for x
    x = 218,302,651.70/20,314.68
  6. Step 6: Final answer
    x = 10,746.05

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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.