Home / 11,110.40-16,665.60-9,574.40

Finding the Fourth Proportional to 11,110.40, 16,665.60 and 9,574.40

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Solution

The fourth proportional to 11,110.40, 16,665.60 and 9,574.40 is: 14,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.40 : 16,665.60 = 9,574.40 : x
  2. Step 2: Convert to fraction form
    11,110.40/16,665.60 = 9,574.40/x
  3. Step 3: Cross multiply
    11,110.40x = 16,665.60 × 9,574.40
  4. Step 4: Simplify right side
    11,110.40x = 159,563,120.64
  5. Step 5: Solve for x
    x = 159,563,120.64/11,110.40
  6. Step 6: Final answer
    x = 14,361.60

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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.