Home / 14,437.20-19,923.60-8,148.36

Finding the Fourth Proportional to 14,437.20, 19,923.60 and 8,148.36

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Solution

The fourth proportional to 14,437.20, 19,923.60 and 8,148.36 is: 11,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.20 : 19,923.60 = 8,148.36 : x
  2. Step 2: Convert to fraction form
    14,437.20/19,923.60 = 8,148.36/x
  3. Step 3: Cross multiply
    14,437.20x = 19,923.60 × 8,148.36
  4. Step 4: Simplify right side
    14,437.20x = 162,344,665.30
  5. Step 5: Solve for x
    x = 162,344,665.30/14,437.20
  6. Step 6: Final answer
    x = 11,244.89

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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.