Home / 12,957.28-19,431.16-4,635.04

Finding the Fourth Proportional to 12,957.28, 19,431.16 and 4,635.04

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Solution

The fourth proportional to 12,957.28, 19,431.16 and 4,635.04 is: 6,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.28 : 19,431.16 = 4,635.04 : x
  2. Step 2: Convert to fraction form
    12,957.28/19,431.16 = 4,635.04/x
  3. Step 3: Cross multiply
    12,957.28x = 19,431.16 × 4,635.04
  4. Step 4: Simplify right side
    12,957.28x = 90,064,203.85
  5. Step 5: Solve for x
    x = 90,064,203.85/12,957.28
  6. Step 6: Final answer
    x = 6,950.86

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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.