Home / 15,513.49-23,272.95-4,419.91

Finding the Fourth Proportional to 15,513.49, 23,272.95 and 4,419.91

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Solution

The fourth proportional to 15,513.49, 23,272.95 and 4,419.91 is: 6,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.49 : 23,272.95 = 4,419.91 : x
  2. Step 2: Convert to fraction form
    15,513.49/23,272.95 = 4,419.91/x
  3. Step 3: Cross multiply
    15,513.49x = 23,272.95 × 4,419.91
  4. Step 4: Simplify right side
    15,513.49x = 102,864,344.43
  5. Step 5: Solve for x
    x = 102,864,344.43/15,513.49
  6. Step 6: Final answer
    x = 6,630.64

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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.