Home / 14,437.68-19,921.32-8,148.84

Finding the Fourth Proportional to 14,437.68, 19,921.32 and 8,148.84

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Solution

The fourth proportional to 14,437.68, 19,921.32 and 8,148.84 is: 11,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.68 : 19,921.32 = 8,148.84 : x
  2. Step 2: Convert to fraction form
    14,437.68/19,921.32 = 8,148.84/x
  3. Step 3: Cross multiply
    14,437.68x = 19,921.32 × 8,148.84
  4. Step 4: Simplify right side
    14,437.68x = 162,335,649.27
  5. Step 5: Solve for x
    x = 162,335,649.27/14,437.68
  6. Step 6: Final answer
    x = 11,243.89

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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.