Home / 13,548.23-18,688.37-8,949.03

Finding the Fourth Proportional to 13,548.23, 18,688.37 and 8,949.03

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Solution

The fourth proportional to 13,548.23, 18,688.37 and 8,949.03 is: 12,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.23 : 18,688.37 = 8,949.03 : x
  2. Step 2: Convert to fraction form
    13,548.23/18,688.37 = 8,949.03/x
  3. Step 3: Cross multiply
    13,548.23x = 18,688.37 × 8,949.03
  4. Step 4: Simplify right side
    13,548.23x = 167,242,739.04
  5. Step 5: Solve for x
    x = 167,242,739.04/13,548.23
  6. Step 6: Final answer
    x = 12,344.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.