Home / 13,303.92-19,930.32-7,442.76

Finding the Fourth Proportional to 13,303.92, 19,930.32 and 7,442.76

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Solution

The fourth proportional to 13,303.92, 19,930.32 and 7,442.76 is: 11,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.92 : 19,930.32 = 7,442.76 : x
  2. Step 2: Convert to fraction form
    13,303.92/19,930.32 = 7,442.76/x
  3. Step 3: Cross multiply
    13,303.92x = 19,930.32 × 7,442.76
  4. Step 4: Simplify right side
    13,303.92x = 148,336,588.48
  5. Step 5: Solve for x
    x = 148,336,588.48/13,303.92
  6. Step 6: Final answer
    x = 11,149.84

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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.