Home / 8,936.04-12,329.88-5,159.14

Finding the Fourth Proportional to 8,936.04, 12,329.88 and 5,159.14

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Solution

The fourth proportional to 8,936.04, 12,329.88 and 5,159.14 is: 7,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.04 : 12,329.88 = 5,159.14 : x
  2. Step 2: Convert to fraction form
    8,936.04/12,329.88 = 5,159.14/x
  3. Step 3: Cross multiply
    8,936.04x = 12,329.88 × 5,159.14
  4. Step 4: Simplify right side
    8,936.04x = 63,611,577.10
  5. Step 5: Solve for x
    x = 63,611,577.10/8,936.04
  6. Step 6: Final answer
    x = 7,118.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.