Home / 13,265.44-19,977.16-11,554.72

Finding the Fourth Proportional to 13,265.44, 19,977.16 and 11,554.72

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Solution

The fourth proportional to 13,265.44, 19,977.16 and 11,554.72 is: 17,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.44 : 19,977.16 = 11,554.72 : x
  2. Step 2: Convert to fraction form
    13,265.44/19,977.16 = 11,554.72/x
  3. Step 3: Cross multiply
    13,265.44x = 19,977.16 × 11,554.72
  4. Step 4: Simplify right side
    13,265.44x = 230,830,490.20
  5. Step 5: Solve for x
    x = 230,830,490.20/13,265.44
  6. Step 6: Final answer
    x = 17,400.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.