Home / 14,928.30-22,377.60-7,128

Finding the Fourth Proportional to 14,928.30, 22,377.60 and 7,128

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Solution

The fourth proportional to 14,928.30, 22,377.60 and 7,128 is: 10,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.30 : 22,377.60 = 7,128 : x
  2. Step 2: Convert to fraction form
    14,928.30/22,377.60 = 7,128/x
  3. Step 3: Cross multiply
    14,928.30x = 22,377.60 × 7,128
  4. Step 4: Simplify right side
    14,928.30x = 159,507,532.80
  5. Step 5: Solve for x
    x = 159,507,532.80/14,928.30
  6. Step 6: Final answer
    x = 10,684.91

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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.