Home / 13,751.03-18,985.02-9,451.54

Finding the Fourth Proportional to 13,751.03, 18,985.02 and 9,451.54

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Solution

The fourth proportional to 13,751.03, 18,985.02 and 9,451.54 is: 13,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.03 : 18,985.02 = 9,451.54 : x
  2. Step 2: Convert to fraction form
    13,751.03/18,985.02 = 9,451.54/x
  3. Step 3: Cross multiply
    13,751.03x = 18,985.02 × 9,451.54
  4. Step 4: Simplify right side
    13,751.03x = 179,437,581.01
  5. Step 5: Solve for x
    x = 179,437,581.01/13,751.03
  6. Step 6: Final answer
    x = 13,049.03

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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.