Home / 15,730.68-23,469.99-12,553.32

Finding the Fourth Proportional to 15,730.68, 23,469.99 and 12,553.32

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Solution

The fourth proportional to 15,730.68, 23,469.99 and 12,553.32 is: 18,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.68 : 23,469.99 = 12,553.32 : x
  2. Step 2: Convert to fraction form
    15,730.68/23,469.99 = 12,553.32/x
  3. Step 3: Cross multiply
    15,730.68x = 23,469.99 × 12,553.32
  4. Step 4: Simplify right side
    15,730.68x = 294,626,294.87
  5. Step 5: Solve for x
    x = 294,626,294.87/15,730.68
  6. Step 6: Final answer
    x = 18,729.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.