Home / 15,402.05-23,103.89-4,871.27

Finding the Fourth Proportional to 15,402.05, 23,103.89 and 4,871.27

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Solution

The fourth proportional to 15,402.05, 23,103.89 and 4,871.27 is: 7,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.05 : 23,103.89 = 4,871.27 : x
  2. Step 2: Convert to fraction form
    15,402.05/23,103.89 = 4,871.27/x
  3. Step 3: Cross multiply
    15,402.05x = 23,103.89 × 4,871.27
  4. Step 4: Simplify right side
    15,402.05x = 112,545,146.36
  5. Step 5: Solve for x
    x = 112,545,146.36/15,402.05
  6. Step 6: Final answer
    x = 7,307.16

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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.