Home / 13,746.83-20,626.38-7,903.44

Finding the Fourth Proportional to 13,746.83, 20,626.38 and 7,903.44

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Solution

The fourth proportional to 13,746.83, 20,626.38 and 7,903.44 is: 11,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.83 : 20,626.38 = 7,903.44 : x
  2. Step 2: Convert to fraction form
    13,746.83/20,626.38 = 7,903.44/x
  3. Step 3: Cross multiply
    13,746.83x = 20,626.38 × 7,903.44
  4. Step 4: Simplify right side
    13,746.83x = 163,019,356.75
  5. Step 5: Solve for x
    x = 163,019,356.75/13,746.83
  6. Step 6: Final answer
    x = 11,858.69

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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.