Home / 13,330.71-19,995.39-5,010.09

Finding the Fourth Proportional to 13,330.71, 19,995.39 and 5,010.09

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Solution

The fourth proportional to 13,330.71, 19,995.39 and 5,010.09 is: 7,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.71 : 19,995.39 = 5,010.09 : x
  2. Step 2: Convert to fraction form
    13,330.71/19,995.39 = 5,010.09/x
  3. Step 3: Cross multiply
    13,330.71x = 19,995.39 × 5,010.09
  4. Step 4: Simplify right side
    13,330.71x = 100,178,703.49
  5. Step 5: Solve for x
    x = 100,178,703.49/13,330.71
  6. Step 6: Final answer
    x = 7,514.88

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1.5x scale

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.