Home / 11,891.04-17,829.88-4,875.92

Finding the Fourth Proportional to 11,891.04, 17,829.88 and 4,875.92

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Solution

The fourth proportional to 11,891.04, 17,829.88 and 4,875.92 is: 7,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.04 : 17,829.88 = 4,875.92 : x
  2. Step 2: Convert to fraction form
    11,891.04/17,829.88 = 4,875.92/x
  3. Step 3: Cross multiply
    11,891.04x = 17,829.88 × 4,875.92
  4. Step 4: Simplify right side
    11,891.04x = 86,937,068.49
  5. Step 5: Solve for x
    x = 86,937,068.49/11,891.04
  6. Step 6: Final answer
    x = 7,311.14

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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.