Home / 13,390.08-19,957.44-13,079.04

Finding the Fourth Proportional to 13,390.08, 19,957.44 and 13,079.04

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Solution

The fourth proportional to 13,390.08, 19,957.44 and 13,079.04 is: 19,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.08 : 19,957.44 = 13,079.04 : x
  2. Step 2: Convert to fraction form
    13,390.08/19,957.44 = 13,079.04/x
  3. Step 3: Cross multiply
    13,390.08x = 19,957.44 × 13,079.04
  4. Step 4: Simplify right side
    13,390.08x = 261,024,156.06
  5. Step 5: Solve for x
    x = 261,024,156.06/13,390.08
  6. Step 6: Final answer
    x = 19,493.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.