Home / 19,638.48-27,082.80-13,266.24

Finding the Fourth Proportional to 19,638.48, 27,082.80 and 13,266.24

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Solution

The fourth proportional to 19,638.48, 27,082.80 and 13,266.24 is: 18,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.48 : 27,082.80 = 13,266.24 : x
  2. Step 2: Convert to fraction form
    19,638.48/27,082.80 = 13,266.24/x
  3. Step 3: Cross multiply
    19,638.48x = 27,082.80 × 13,266.24
  4. Step 4: Simplify right side
    19,638.48x = 359,286,924.67
  5. Step 5: Solve for x
    x = 359,286,924.67/19,638.48
  6. Step 6: Final answer
    x = 18,295.05

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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.