Home / 13,303.22-19,941.35-8,626.20

Finding the Fourth Proportional to 13,303.22, 19,941.35 and 8,626.20

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Solution

The fourth proportional to 13,303.22, 19,941.35 and 8,626.20 is: 12,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.22 : 19,941.35 = 8,626.20 : x
  2. Step 2: Convert to fraction form
    13,303.22/19,941.35 = 8,626.20/x
  3. Step 3: Cross multiply
    13,303.22x = 19,941.35 × 8,626.20
  4. Step 4: Simplify right side
    13,303.22x = 172,018,073.37
  5. Step 5: Solve for x
    x = 172,018,073.37/13,303.22
  6. Step 6: Final answer
    x = 12,930.56

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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.