Home / 13,626-20,319.75-13,501.44

Finding the Fourth Proportional to 13,626, 20,319.75 and 13,501.44

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Solution

The fourth proportional to 13,626, 20,319.75 and 13,501.44 is: 20,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626 : 20,319.75 = 13,501.44 : x
  2. Step 2: Convert to fraction form
    13,626/20,319.75 = 13,501.44/x
  3. Step 3: Cross multiply
    13,626x = 20,319.75 × 13,501.44
  4. Step 4: Simplify right side
    13,626x = 274,345,885.44
  5. Step 5: Solve for x
    x = 274,345,885.44/13,626
  6. Step 6: Final answer
    x = 20,134.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.