Home / 13,915.49-19,204.16-8,253.59

Finding the Fourth Proportional to 13,915.49, 19,204.16 and 8,253.59

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Solution

The fourth proportional to 13,915.49, 19,204.16 and 8,253.59 is: 11,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.49 : 19,204.16 = 8,253.59 : x
  2. Step 2: Convert to fraction form
    13,915.49/19,204.16 = 8,253.59/x
  3. Step 3: Cross multiply
    13,915.49x = 19,204.16 × 8,253.59
  4. Step 4: Simplify right side
    13,915.49x = 158,503,125.65
  5. Step 5: Solve for x
    x = 158,503,125.65/13,915.49
  6. Step 6: Final answer
    x = 11,390.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.