Home / 13,302.66-19,961.72-4,988.46

Finding the Fourth Proportional to 13,302.66, 19,961.72 and 4,988.46

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Solution

The fourth proportional to 13,302.66, 19,961.72 and 4,988.46 is: 7,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.66 : 19,961.72 = 4,988.46 : x
  2. Step 2: Convert to fraction form
    13,302.66/19,961.72 = 4,988.46/x
  3. Step 3: Cross multiply
    13,302.66x = 19,961.72 × 4,988.46
  4. Step 4: Simplify right side
    13,302.66x = 99,578,240.20
  5. Step 5: Solve for x
    x = 99,578,240.20/13,302.66
  6. Step 6: Final answer
    x = 7,485.59

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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.