Home / 19,103.76-28,647.54-10,336.32

Finding the Fourth Proportional to 19,103.76, 28,647.54 and 10,336.32

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Solution

The fourth proportional to 19,103.76, 28,647.54 and 10,336.32 is: 15,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.76 : 28,647.54 = 10,336.32 : x
  2. Step 2: Convert to fraction form
    19,103.76/28,647.54 = 10,336.32/x
  3. Step 3: Cross multiply
    19,103.76x = 28,647.54 × 10,336.32
  4. Step 4: Simplify right side
    19,103.76x = 296,110,140.65
  5. Step 5: Solve for x
    x = 296,110,140.65/19,103.76
  6. Step 6: Final answer
    x = 15,500.10

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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.