Home / 19,512.49-29,239.16-12,915.04

Finding the Fourth Proportional to 19,512.49, 29,239.16 and 12,915.04

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Solution

The fourth proportional to 19,512.49, 29,239.16 and 12,915.04 is: 19,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.49 : 29,239.16 = 12,915.04 : x
  2. Step 2: Convert to fraction form
    19,512.49/29,239.16 = 12,915.04/x
  3. Step 3: Cross multiply
    19,512.49x = 29,239.16 × 12,915.04
  4. Step 4: Simplify right side
    19,512.49x = 377,624,807.06
  5. Step 5: Solve for x
    x = 377,624,807.06/19,512.49
  6. Step 6: Final answer
    x = 19,352.98

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1.5x scale

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.