Home / 13,484.72-20,223.83-6,907.52

Finding the Fourth Proportional to 13,484.72, 20,223.83 and 6,907.52

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Solution

The fourth proportional to 13,484.72, 20,223.83 and 6,907.52 is: 10,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.72 : 20,223.83 = 6,907.52 : x
  2. Step 2: Convert to fraction form
    13,484.72/20,223.83 = 6,907.52/x
  3. Step 3: Cross multiply
    13,484.72x = 20,223.83 × 6,907.52
  4. Step 4: Simplify right side
    13,484.72x = 139,696,409.08
  5. Step 5: Solve for x
    x = 139,696,409.08/13,484.72
  6. Step 6: Final answer
    x = 10,359.61

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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.