Home / 13,674.48-20,498.76-4,434

Finding the Fourth Proportional to 13,674.48, 20,498.76 and 4,434

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Solution

The fourth proportional to 13,674.48, 20,498.76 and 4,434 is: 6,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.48 : 20,498.76 = 4,434 : x
  2. Step 2: Convert to fraction form
    13,674.48/20,498.76 = 4,434/x
  3. Step 3: Cross multiply
    13,674.48x = 20,498.76 × 4,434
  4. Step 4: Simplify right side
    13,674.48x = 90,891,501.84
  5. Step 5: Solve for x
    x = 90,891,501.84/13,674.48
  6. Step 6: Final answer
    x = 6,646.80

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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.