Home / 13,516.34-20,235.07-9,018.41

Finding the Fourth Proportional to 13,516.34, 20,235.07 and 9,018.41

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Solution

The fourth proportional to 13,516.34, 20,235.07 and 9,018.41 is: 13,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.34 : 20,235.07 = 9,018.41 : x
  2. Step 2: Convert to fraction form
    13,516.34/20,235.07 = 9,018.41/x
  3. Step 3: Cross multiply
    13,516.34x = 20,235.07 × 9,018.41
  4. Step 4: Simplify right side
    13,516.34x = 182,488,187.74
  5. Step 5: Solve for x
    x = 182,488,187.74/13,516.34
  6. Step 6: Final answer
    x = 13,501.30

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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.