Home / 13,261.24-18,302.18-7,672.24

Finding the Fourth Proportional to 13,261.24, 18,302.18 and 7,672.24

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Solution

The fourth proportional to 13,261.24, 18,302.18 and 7,672.24 is: 10,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.24 : 18,302.18 = 7,672.24 : x
  2. Step 2: Convert to fraction form
    13,261.24/18,302.18 = 7,672.24/x
  3. Step 3: Cross multiply
    13,261.24x = 18,302.18 × 7,672.24
  4. Step 4: Simplify right side
    13,261.24x = 140,418,717.48
  5. Step 5: Solve for x
    x = 140,418,717.48/13,261.24
  6. Step 6: Final answer
    x = 10,588.66

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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.