Home / 19,155.33-28,673.60-10,368.45

Finding the Fourth Proportional to 19,155.33, 28,673.60 and 10,368.45

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Solution

The fourth proportional to 19,155.33, 28,673.60 and 10,368.45 is: 15,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.33 : 28,673.60 = 10,368.45 : x
  2. Step 2: Convert to fraction form
    19,155.33/28,673.60 = 10,368.45/x
  3. Step 3: Cross multiply
    19,155.33x = 28,673.60 × 10,368.45
  4. Step 4: Simplify right side
    19,155.33x = 297,300,736.08
  5. Step 5: Solve for x
    x = 297,300,736.08/19,155.33
  6. Step 6: Final answer
    x = 15,520.52

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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.