Home / 19,815.80-29,702.99-10,466.37

Finding the Fourth Proportional to 19,815.80, 29,702.99 and 10,466.37

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Solution

The fourth proportional to 19,815.80, 29,702.99 and 10,466.37 is: 15,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.80 : 29,702.99 = 10,466.37 : x
  2. Step 2: Convert to fraction form
    19,815.80/29,702.99 = 10,466.37/x
  3. Step 3: Cross multiply
    19,815.80x = 29,702.99 × 10,466.37
  4. Step 4: Simplify right side
    19,815.80x = 310,882,431.11
  5. Step 5: Solve for x
    x = 310,882,431.11/19,815.80
  6. Step 6: Final answer
    x = 15,688.62

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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.