Home / 15,513.41-23,266.56-4,419.86

Finding the Fourth Proportional to 15,513.41, 23,266.56 and 4,419.86

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Solution

The fourth proportional to 15,513.41, 23,266.56 and 4,419.86 is: 6,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.41 : 23,266.56 = 4,419.86 : x
  2. Step 2: Convert to fraction form
    15,513.41/23,266.56 = 4,419.86/x
  3. Step 3: Cross multiply
    15,513.41x = 23,266.56 × 4,419.86
  4. Step 4: Simplify right side
    15,513.41x = 102,834,821.55
  5. Step 5: Solve for x
    x = 102,834,821.55/15,513.41
  6. Step 6: Final answer
    x = 6,628.77

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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.