Home / 12,311.04-16,923.54-10,603.20

Finding the Fourth Proportional to 12,311.04, 16,923.54 and 10,603.20

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Solution

The fourth proportional to 12,311.04, 16,923.54 and 10,603.20 is: 14,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.04 : 16,923.54 = 10,603.20 : x
  2. Step 2: Convert to fraction form
    12,311.04/16,923.54 = 10,603.20/x
  3. Step 3: Cross multiply
    12,311.04x = 16,923.54 × 10,603.20
  4. Step 4: Simplify right side
    12,311.04x = 179,443,679.33
  5. Step 5: Solve for x
    x = 179,443,679.33/12,311.04
  6. Step 6: Final answer
    x = 14,575.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.