Home / 12,525.24-18,783.53-3,638.16

Finding the Fourth Proportional to 12,525.24, 18,783.53 and 3,638.16

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Solution

The fourth proportional to 12,525.24, 18,783.53 and 3,638.16 is: 5,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.24 : 18,783.53 = 3,638.16 : x
  2. Step 2: Convert to fraction form
    12,525.24/18,783.53 = 3,638.16/x
  3. Step 3: Cross multiply
    12,525.24x = 18,783.53 × 3,638.16
  4. Step 4: Simplify right side
    12,525.24x = 68,337,487.50
  5. Step 5: Solve for x
    x = 68,337,487.50/12,525.24
  6. Step 6: Final answer
    x = 5,455.98

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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.