Home / 13,261.83-18,301.37-7,294.11

Finding the Fourth Proportional to 13,261.83, 18,301.37 and 7,294.11

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Solution

The fourth proportional to 13,261.83, 18,301.37 and 7,294.11 is: 10,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.83 : 18,301.37 = 7,294.11 : x
  2. Step 2: Convert to fraction form
    13,261.83/18,301.37 = 7,294.11/x
  3. Step 3: Cross multiply
    13,261.83x = 18,301.37 × 7,294.11
  4. Step 4: Simplify right side
    13,261.83x = 133,492,169.46
  5. Step 5: Solve for x
    x = 133,492,169.46/13,261.83
  6. Step 6: Final answer
    x = 10,065.89

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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.