Home / 23,128.40-34,692.60-8,337.80

Finding the Fourth Proportional to 23,128.40, 34,692.60 and 8,337.80

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Solution

The fourth proportional to 23,128.40, 34,692.60 and 8,337.80 is: 12,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.40 : 34,692.60 = 8,337.80 : x
  2. Step 2: Convert to fraction form
    23,128.40/34,692.60 = 8,337.80/x
  3. Step 3: Cross multiply
    23,128.40x = 34,692.60 × 8,337.80
  4. Step 4: Simplify right side
    23,128.40x = 289,259,960.28
  5. Step 5: Solve for x
    x = 289,259,960.28/23,128.40
  6. Step 6: Final answer
    x = 12,506.70

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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.