Home / 13,308.41-19,966.04-4,988.54

Finding the Fourth Proportional to 13,308.41, 19,966.04 and 4,988.54

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Solution

The fourth proportional to 13,308.41, 19,966.04 and 4,988.54 is: 7,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.41 : 19,966.04 = 4,988.54 : x
  2. Step 2: Convert to fraction form
    13,308.41/19,966.04 = 4,988.54/x
  3. Step 3: Cross multiply
    13,308.41x = 19,966.04 × 4,988.54
  4. Step 4: Simplify right side
    13,308.41x = 99,601,364.24
  5. Step 5: Solve for x
    x = 99,601,364.24/13,308.41
  6. Step 6: Final answer
    x = 7,484.09

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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.