Home / 14,013.44-19,338.72-9,289.28

Finding the Fourth Proportional to 14,013.44, 19,338.72 and 9,289.28

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Solution

The fourth proportional to 14,013.44, 19,338.72 and 9,289.28 is: 12,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.44 : 19,338.72 = 9,289.28 : x
  2. Step 2: Convert to fraction form
    14,013.44/19,338.72 = 9,289.28/x
  3. Step 3: Cross multiply
    14,013.44x = 19,338.72 × 9,289.28
  4. Step 4: Simplify right side
    14,013.44x = 179,642,784.92
  5. Step 5: Solve for x
    x = 179,642,784.92/14,013.44
  6. Step 6: Final answer
    x = 12,819.32

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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.