Home / 13,261.29-18,301.05-7,293.42

Finding the Fourth Proportional to 13,261.29, 18,301.05 and 7,293.42

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Solution

The fourth proportional to 13,261.29, 18,301.05 and 7,293.42 is: 10,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.29 : 18,301.05 = 7,293.42 : x
  2. Step 2: Convert to fraction form
    13,261.29/18,301.05 = 7,293.42/x
  3. Step 3: Cross multiply
    13,261.29x = 18,301.05 × 7,293.42
  4. Step 4: Simplify right side
    13,261.29x = 133,477,244.09
  5. Step 5: Solve for x
    x = 133,477,244.09/13,261.29
  6. Step 6: Final answer
    x = 10,065.18

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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.