Home / 14,629.92-20,189.18-7,915.50

Finding the Fourth Proportional to 14,629.92, 20,189.18 and 7,915.50

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Solution

The fourth proportional to 14,629.92, 20,189.18 and 7,915.50 is: 10,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.92 : 20,189.18 = 7,915.50 : x
  2. Step 2: Convert to fraction form
    14,629.92/20,189.18 = 7,915.50/x
  3. Step 3: Cross multiply
    14,629.92x = 20,189.18 × 7,915.50
  4. Step 4: Simplify right side
    14,629.92x = 159,807,454.29
  5. Step 5: Solve for x
    x = 159,807,454.29/14,629.92
  6. Step 6: Final answer
    x = 10,923.33

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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.