Home / 13,483.08-20,215.44-6,903.90

Finding the Fourth Proportional to 13,483.08, 20,215.44 and 6,903.90

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Solution

The fourth proportional to 13,483.08, 20,215.44 and 6,903.90 is: 10,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.08 : 20,215.44 = 6,903.90 : x
  2. Step 2: Convert to fraction form
    13,483.08/20,215.44 = 6,903.90/x
  3. Step 3: Cross multiply
    13,483.08x = 20,215.44 × 6,903.90
  4. Step 4: Simplify right side
    13,483.08x = 139,565,376.22
  5. Step 5: Solve for x
    x = 139,565,376.22/13,483.08
  6. Step 6: Final answer
    x = 10,351.15

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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.