Home / 13,623.12-20,405.88-6,233.76

Finding the Fourth Proportional to 13,623.12, 20,405.88 and 6,233.76

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Solution

The fourth proportional to 13,623.12, 20,405.88 and 6,233.76 is: 9,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.12 : 20,405.88 = 6,233.76 : x
  2. Step 2: Convert to fraction form
    13,623.12/20,405.88 = 6,233.76/x
  3. Step 3: Cross multiply
    13,623.12x = 20,405.88 × 6,233.76
  4. Step 4: Simplify right side
    13,623.12x = 127,205,358.51
  5. Step 5: Solve for x
    x = 127,205,358.51/13,623.12
  6. Step 6: Final answer
    x = 9,337.46

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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.