Home / 12,965.03-17,848.45-12,369.90

Finding the Fourth Proportional to 12,965.03, 17,848.45 and 12,369.90

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Solution

The fourth proportional to 12,965.03, 17,848.45 and 12,369.90 is: 17,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.03 : 17,848.45 = 12,369.90 : x
  2. Step 2: Convert to fraction form
    12,965.03/17,848.45 = 12,369.90/x
  3. Step 3: Cross multiply
    12,965.03x = 17,848.45 × 12,369.90
  4. Step 4: Simplify right side
    12,965.03x = 220,783,624.05
  5. Step 5: Solve for x
    x = 220,783,624.05/12,965.03
  6. Step 6: Final answer
    x = 17,029.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.