Home / 13,748.79-20,624.96-3,888.32

Finding the Fourth Proportional to 13,748.79, 20,624.96 and 3,888.32

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Solution

The fourth proportional to 13,748.79, 20,624.96 and 3,888.32 is: 5,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.79 : 20,624.96 = 3,888.32 : x
  2. Step 2: Convert to fraction form
    13,748.79/20,624.96 = 3,888.32/x
  3. Step 3: Cross multiply
    13,748.79x = 20,624.96 × 3,888.32
  4. Step 4: Simplify right side
    13,748.79x = 80,196,467.08
  5. Step 5: Solve for x
    x = 80,196,467.08/13,748.79
  6. Step 6: Final answer
    x = 5,832.98

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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.