Home / 13,407.37-18,506.42-9,440.09

Finding the Fourth Proportional to 13,407.37, 18,506.42 and 9,440.09

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Solution

The fourth proportional to 13,407.37, 18,506.42 and 9,440.09 is: 13,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.37 : 18,506.42 = 9,440.09 : x
  2. Step 2: Convert to fraction form
    13,407.37/18,506.42 = 9,440.09/x
  3. Step 3: Cross multiply
    13,407.37x = 18,506.42 × 9,440.09
  4. Step 4: Simplify right side
    13,407.37x = 174,702,392.64
  5. Step 5: Solve for x
    x = 174,702,392.64/13,407.37
  6. Step 6: Final answer
    x = 13,030.32

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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.