Home / 13,550.48-20,332.68-10,262.48

Finding the Fourth Proportional to 13,550.48, 20,332.68 and 10,262.48

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Solution

The fourth proportional to 13,550.48, 20,332.68 and 10,262.48 is: 15,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.48 : 20,332.68 = 10,262.48 : x
  2. Step 2: Convert to fraction form
    13,550.48/20,332.68 = 10,262.48/x
  3. Step 3: Cross multiply
    13,550.48x = 20,332.68 × 10,262.48
  4. Step 4: Simplify right side
    13,550.48x = 208,663,721.85
  5. Step 5: Solve for x
    x = 208,663,721.85/13,550.48
  6. Step 6: Final answer
    x = 15,398.99

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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.