Home / 13,647.56-20,471.36-9,254.12

Finding the Fourth Proportional to 13,647.56, 20,471.36 and 9,254.12

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Solution

The fourth proportional to 13,647.56, 20,471.36 and 9,254.12 is: 13,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.56 : 20,471.36 = 9,254.12 : x
  2. Step 2: Convert to fraction form
    13,647.56/20,471.36 = 9,254.12/x
  3. Step 3: Cross multiply
    13,647.56x = 20,471.36 × 9,254.12
  4. Step 4: Simplify right side
    13,647.56x = 189,444,422.00
  5. Step 5: Solve for x
    x = 189,444,422.00/13,647.56
  6. Step 6: Final answer
    x = 13,881.19

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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.