Home / 13,436.36-18,541.32-7,467.66

Finding the Fourth Proportional to 13,436.36, 18,541.32 and 7,467.66

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Solution

The fourth proportional to 13,436.36, 18,541.32 and 7,467.66 is: 10,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.36 : 18,541.32 = 7,467.66 : x
  2. Step 2: Convert to fraction form
    13,436.36/18,541.32 = 7,467.66/x
  3. Step 3: Cross multiply
    13,436.36x = 18,541.32 × 7,467.66
  4. Step 4: Simplify right side
    13,436.36x = 138,460,273.71
  5. Step 5: Solve for x
    x = 138,460,273.71/13,436.36
  6. Step 6: Final answer
    x = 10,304.89

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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.