Home / 15,354.36-23,031.45-13,268.01

Finding the Fourth Proportional to 15,354.36, 23,031.45 and 13,268.01

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Solution

The fourth proportional to 15,354.36, 23,031.45 and 13,268.01 is: 19,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.36 : 23,031.45 = 13,268.01 : x
  2. Step 2: Convert to fraction form
    15,354.36/23,031.45 = 13,268.01/x
  3. Step 3: Cross multiply
    15,354.36x = 23,031.45 × 13,268.01
  4. Step 4: Simplify right side
    15,354.36x = 305,581,508.91
  5. Step 5: Solve for x
    x = 305,581,508.91/15,354.36
  6. Step 6: Final answer
    x = 19,901.94

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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.