Home / 13,369.30-18,534.02-12,658.26

Finding the Fourth Proportional to 13,369.30, 18,534.02 and 12,658.26

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Solution

The fourth proportional to 13,369.30, 18,534.02 and 12,658.26 is: 17,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.30 : 18,534.02 = 12,658.26 : x
  2. Step 2: Convert to fraction form
    13,369.30/18,534.02 = 12,658.26/x
  3. Step 3: Cross multiply
    13,369.30x = 18,534.02 × 12,658.26
  4. Step 4: Simplify right side
    13,369.30x = 234,608,444.01
  5. Step 5: Solve for x
    x = 234,608,444.01/13,369.30
  6. Step 6: Final answer
    x = 17,548.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.