Home / 13,326.76-19,979.34-5,541.40

Finding the Fourth Proportional to 13,326.76, 19,979.34 and 5,541.40

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Solution

The fourth proportional to 13,326.76, 19,979.34 and 5,541.40 is: 8,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.76 : 19,979.34 = 5,541.40 : x
  2. Step 2: Convert to fraction form
    13,326.76/19,979.34 = 5,541.40/x
  3. Step 3: Cross multiply
    13,326.76x = 19,979.34 × 5,541.40
  4. Step 4: Simplify right side
    13,326.76x = 110,713,514.68
  5. Step 5: Solve for x
    x = 110,713,514.68/13,326.76
  6. Step 6: Final answer
    x = 8,307.61

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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.