Home / 15,219.60-22,867.80-9,675.60

Finding the Fourth Proportional to 15,219.60, 22,867.80 and 9,675.60

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Solution

The fourth proportional to 15,219.60, 22,867.80 and 9,675.60 is: 14,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.60 : 22,867.80 = 9,675.60 : x
  2. Step 2: Convert to fraction form
    15,219.60/22,867.80 = 9,675.60/x
  3. Step 3: Cross multiply
    15,219.60x = 22,867.80 × 9,675.60
  4. Step 4: Simplify right side
    15,219.60x = 221,259,685.68
  5. Step 5: Solve for x
    x = 221,259,685.68/15,219.60
  6. Step 6: Final answer
    x = 14,537.81

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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.