Home / 13,040.21-19,560.38-9,161.93

Finding the Fourth Proportional to 13,040.21, 19,560.38 and 9,161.93

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Solution

The fourth proportional to 13,040.21, 19,560.38 and 9,161.93 is: 13,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.21 : 19,560.38 = 9,161.93 : x
  2. Step 2: Convert to fraction form
    13,040.21/19,560.38 = 9,161.93/x
  3. Step 3: Cross multiply
    13,040.21x = 19,560.38 × 9,161.93
  4. Step 4: Simplify right side
    13,040.21x = 179,210,688.72
  5. Step 5: Solve for x
    x = 179,210,688.72/13,040.21
  6. Step 6: Final answer
    x = 13,742.93

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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.