Home / 19,299.18-28,946.80-13,099.03

Finding the Fourth Proportional to 19,299.18, 28,946.80 and 13,099.03

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Solution

The fourth proportional to 19,299.18, 28,946.80 and 13,099.03 is: 19,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.18 : 28,946.80 = 13,099.03 : x
  2. Step 2: Convert to fraction form
    19,299.18/28,946.80 = 13,099.03/x
  3. Step 3: Cross multiply
    19,299.18x = 28,946.80 × 13,099.03
  4. Step 4: Simplify right side
    19,299.18x = 379,175,001.60
  5. Step 5: Solve for x
    x = 379,175,001.60/19,299.18
  6. Step 6: Final answer
    x = 19,647.21

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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.