Home / 10,255.38-15,386.82-4,333.74

Finding the Fourth Proportional to 10,255.38, 15,386.82 and 4,333.74

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Solution

The fourth proportional to 10,255.38, 15,386.82 and 4,333.74 is: 6,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.38 : 15,386.82 = 4,333.74 : x
  2. Step 2: Convert to fraction form
    10,255.38/15,386.82 = 4,333.74/x
  3. Step 3: Cross multiply
    10,255.38x = 15,386.82 × 4,333.74
  4. Step 4: Simplify right side
    10,255.38x = 66,682,477.31
  5. Step 5: Solve for x
    x = 66,682,477.31/10,255.38
  6. Step 6: Final answer
    x = 6,502.19

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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.