Home / 11,583.37-15,985.05-6,278.19

Finding the Fourth Proportional to 11,583.37, 15,985.05 and 6,278.19

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Solution

The fourth proportional to 11,583.37, 15,985.05 and 6,278.19 is: 8,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.37 : 15,985.05 = 6,278.19 : x
  2. Step 2: Convert to fraction form
    11,583.37/15,985.05 = 6,278.19/x
  3. Step 3: Cross multiply
    11,583.37x = 15,985.05 × 6,278.19
  4. Step 4: Simplify right side
    11,583.37x = 100,357,097.57
  5. Step 5: Solve for x
    x = 100,357,097.57/11,583.37
  6. Step 6: Final answer
    x = 8,663.89

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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.