Home / 13,345.76-20,018.64-3,484.94

Finding the Fourth Proportional to 13,345.76, 20,018.64 and 3,484.94

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Solution

The fourth proportional to 13,345.76, 20,018.64 and 3,484.94 is: 5,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.76 : 20,018.64 = 3,484.94 : x
  2. Step 2: Convert to fraction form
    13,345.76/20,018.64 = 3,484.94/x
  3. Step 3: Cross multiply
    13,345.76x = 20,018.64 × 3,484.94
  4. Step 4: Simplify right side
    13,345.76x = 69,763,759.28
  5. Step 5: Solve for x
    x = 69,763,759.28/13,345.76
  6. Step 6: Final answer
    x = 5,227.41

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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.