Home / 13,312.13-19,971.39-4,546.82

Finding the Fourth Proportional to 13,312.13, 19,971.39 and 4,546.82

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Solution

The fourth proportional to 13,312.13, 19,971.39 and 4,546.82 is: 6,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.13 : 19,971.39 = 4,546.82 : x
  2. Step 2: Convert to fraction form
    13,312.13/19,971.39 = 4,546.82/x
  3. Step 3: Cross multiply
    13,312.13x = 19,971.39 × 4,546.82
  4. Step 4: Simplify right side
    13,312.13x = 90,806,215.62
  5. Step 5: Solve for x
    x = 90,806,215.62/13,312.13
  6. Step 6: Final answer
    x = 6,821.32

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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.