Home / 11,102.40-16,653.60-9,374.40

Finding the Fourth Proportional to 11,102.40, 16,653.60 and 9,374.40

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Solution

The fourth proportional to 11,102.40, 16,653.60 and 9,374.40 is: 14,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.40 : 16,653.60 = 9,374.40 : x
  2. Step 2: Convert to fraction form
    11,102.40/16,653.60 = 9,374.40/x
  3. Step 3: Cross multiply
    11,102.40x = 16,653.60 × 9,374.40
  4. Step 4: Simplify right side
    11,102.40x = 156,117,507.84
  5. Step 5: Solve for x
    x = 156,117,507.84/11,102.40
  6. Step 6: Final answer
    x = 14,061.60

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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.