Home / 15,150.97-20,902.44-9,483.40

Finding the Fourth Proportional to 15,150.97, 20,902.44 and 9,483.40

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Solution

The fourth proportional to 15,150.97, 20,902.44 and 9,483.40 is: 13,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.97 : 20,902.44 = 9,483.40 : x
  2. Step 2: Convert to fraction form
    15,150.97/20,902.44 = 9,483.40/x
  3. Step 3: Cross multiply
    15,150.97x = 20,902.44 × 9,483.40
  4. Step 4: Simplify right side
    15,150.97x = 198,226,199.50
  5. Step 5: Solve for x
    x = 198,226,199.50/15,150.97
  6. Step 6: Final answer
    x = 13,083.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.