Home / 11,583.84-15,985.69-6,278.65

Finding the Fourth Proportional to 11,583.84, 15,985.69 and 6,278.65

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Solution

The fourth proportional to 11,583.84, 15,985.69 and 6,278.65 is: 8,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.84 : 15,985.69 = 6,278.65 : x
  2. Step 2: Convert to fraction form
    11,583.84/15,985.69 = 6,278.65/x
  3. Step 3: Cross multiply
    11,583.84x = 15,985.69 × 6,278.65
  4. Step 4: Simplify right side
    11,583.84x = 100,368,552.52
  5. Step 5: Solve for x
    x = 100,368,552.52/11,583.84
  6. Step 6: Final answer
    x = 8,664.53

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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.