Home / 11,513.04-17,257.96-4,488.68

Finding the Fourth Proportional to 11,513.04, 17,257.96 and 4,488.68

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Solution

The fourth proportional to 11,513.04, 17,257.96 and 4,488.68 is: 6,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.04 : 17,257.96 = 4,488.68 : x
  2. Step 2: Convert to fraction form
    11,513.04/17,257.96 = 4,488.68/x
  3. Step 3: Cross multiply
    11,513.04x = 17,257.96 × 4,488.68
  4. Step 4: Simplify right side
    11,513.04x = 77,465,459.89
  5. Step 5: Solve for x
    x = 77,465,459.89/11,513.04
  6. Step 6: Final answer
    x = 6,728.50

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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.