Home / 10,083.64-15,115.74-4,886.68

Finding the Fourth Proportional to 10,083.64, 15,115.74 and 4,886.68

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Solution

The fourth proportional to 10,083.64, 15,115.74 and 4,886.68 is: 7,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.64 : 15,115.74 = 4,886.68 : x
  2. Step 2: Convert to fraction form
    10,083.64/15,115.74 = 4,886.68/x
  3. Step 3: Cross multiply
    10,083.64x = 15,115.74 × 4,886.68
  4. Step 4: Simplify right side
    10,083.64x = 73,865,784.34
  5. Step 5: Solve for x
    x = 73,865,784.34/10,083.64
  6. Step 6: Final answer
    x = 7,325.31

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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.