Home / 15,955.56-22,016.20-9,241.84

Finding the Fourth Proportional to 15,955.56, 22,016.20 and 9,241.84

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Solution

The fourth proportional to 15,955.56, 22,016.20 and 9,241.84 is: 12,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.56 : 22,016.20 = 9,241.84 : x
  2. Step 2: Convert to fraction form
    15,955.56/22,016.20 = 9,241.84/x
  3. Step 3: Cross multiply
    15,955.56x = 22,016.20 × 9,241.84
  4. Step 4: Simplify right side
    15,955.56x = 203,470,197.81
  5. Step 5: Solve for x
    x = 203,470,197.81/15,955.56
  6. Step 6: Final answer
    x = 12,752.31

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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.