Home / 15,446.40-23,169.60-7,670.40

Finding the Fourth Proportional to 15,446.40, 23,169.60 and 7,670.40

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Solution

The fourth proportional to 15,446.40, 23,169.60 and 7,670.40 is: 11,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.40 : 23,169.60 = 7,670.40 : x
  2. Step 2: Convert to fraction form
    15,446.40/23,169.60 = 7,670.40/x
  3. Step 3: Cross multiply
    15,446.40x = 23,169.60 × 7,670.40
  4. Step 4: Simplify right side
    15,446.40x = 177,720,099.84
  5. Step 5: Solve for x
    x = 177,720,099.84/15,446.40
  6. Step 6: Final answer
    x = 11,505.60

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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.