Home / 13,141.52-19,707.48-4,818.80

Finding the Fourth Proportional to 13,141.52, 19,707.48 and 4,818.80

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Solution

The fourth proportional to 13,141.52, 19,707.48 and 4,818.80 is: 7,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.52 : 19,707.48 = 4,818.80 : x
  2. Step 2: Convert to fraction form
    13,141.52/19,707.48 = 4,818.80/x
  3. Step 3: Cross multiply
    13,141.52x = 19,707.48 × 4,818.80
  4. Step 4: Simplify right side
    13,141.52x = 94,966,404.62
  5. Step 5: Solve for x
    x = 94,966,404.62/13,141.52
  6. Step 6: Final answer
    x = 7,226.44

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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.