Home / 14,156.66-21,240.84-7,132.92

Finding the Fourth Proportional to 14,156.66, 21,240.84 and 7,132.92

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Solution

The fourth proportional to 14,156.66, 21,240.84 and 7,132.92 is: 10,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.66 : 21,240.84 = 7,132.92 : x
  2. Step 2: Convert to fraction form
    14,156.66/21,240.84 = 7,132.92/x
  3. Step 3: Cross multiply
    14,156.66x = 21,240.84 × 7,132.92
  4. Step 4: Simplify right side
    14,156.66x = 151,509,212.45
  5. Step 5: Solve for x
    x = 151,509,212.45/14,156.66
  6. Step 6: Final answer
    x = 10,702.33

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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.