Home / 13,665.36-20,514.24-11,501.04

Finding the Fourth Proportional to 13,665.36, 20,514.24 and 11,501.04

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Solution

The fourth proportional to 13,665.36, 20,514.24 and 11,501.04 is: 17,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.36 : 20,514.24 = 11,501.04 : x
  2. Step 2: Convert to fraction form
    13,665.36/20,514.24 = 11,501.04/x
  3. Step 3: Cross multiply
    13,665.36x = 20,514.24 × 11,501.04
  4. Step 4: Simplify right side
    13,665.36x = 235,935,094.81
  5. Step 5: Solve for x
    x = 235,935,094.81/13,665.36
  6. Step 6: Final answer
    x = 17,265.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.