Home / 38,135.94-57,203.73-9,672.90

Finding the Fourth Proportional to 38,135.94, 57,203.73 and 9,672.90

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Solution

The fourth proportional to 38,135.94, 57,203.73 and 9,672.90 is: 14,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.94 : 57,203.73 = 9,672.90 : x
  2. Step 2: Convert to fraction form
    38,135.94/57,203.73 = 9,672.90/x
  3. Step 3: Cross multiply
    38,135.94x = 57,203.73 × 9,672.90
  4. Step 4: Simplify right side
    38,135.94x = 553,325,959.92
  5. Step 5: Solve for x
    x = 553,325,959.92/38,135.94
  6. Step 6: Final answer
    x = 14,509.30

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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.