Home / 13,058.47-18,020.90-7,393.07

Finding the Fourth Proportional to 13,058.47, 18,020.90 and 7,393.07

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Solution

The fourth proportional to 13,058.47, 18,020.90 and 7,393.07 is: 10,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.47 : 18,020.90 = 7,393.07 : x
  2. Step 2: Convert to fraction form
    13,058.47/18,020.90 = 7,393.07/x
  3. Step 3: Cross multiply
    13,058.47x = 18,020.90 × 7,393.07
  4. Step 4: Simplify right side
    13,058.47x = 133,229,775.16
  5. Step 5: Solve for x
    x = 133,229,775.16/13,058.47
  6. Step 6: Final answer
    x = 10,202.56

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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.