Home / 13,623.26-20,434.85-3,762.51

Finding the Fourth Proportional to 13,623.26, 20,434.85 and 3,762.51

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Solution

The fourth proportional to 13,623.26, 20,434.85 and 3,762.51 is: 5,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.26 : 20,434.85 = 3,762.51 : x
  2. Step 2: Convert to fraction form
    13,623.26/20,434.85 = 3,762.51/x
  3. Step 3: Cross multiply
    13,623.26x = 20,434.85 × 3,762.51
  4. Step 4: Simplify right side
    13,623.26x = 76,886,225.30
  5. Step 5: Solve for x
    x = 76,886,225.30/13,623.26
  6. Step 6: Final answer
    x = 5,643.75

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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.