Home / 13,110.24-19,671.12-4,346.40

Finding the Fourth Proportional to 13,110.24, 19,671.12 and 4,346.40

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Solution

The fourth proportional to 13,110.24, 19,671.12 and 4,346.40 is: 6,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.24 : 19,671.12 = 4,346.40 : x
  2. Step 2: Convert to fraction form
    13,110.24/19,671.12 = 4,346.40/x
  3. Step 3: Cross multiply
    13,110.24x = 19,671.12 × 4,346.40
  4. Step 4: Simplify right side
    13,110.24x = 85,498,555.97
  5. Step 5: Solve for x
    x = 85,498,555.97/13,110.24
  6. Step 6: Final answer
    x = 6,521.51

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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.