Home / 23,316.20-34,985.10-12,235.40

Finding the Fourth Proportional to 23,316.20, 34,985.10 and 12,235.40

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Solution

The fourth proportional to 23,316.20, 34,985.10 and 12,235.40 is: 18,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,316.20 : 34,985.10 = 12,235.40 : x
  2. Step 2: Convert to fraction form
    23,316.20/34,985.10 = 12,235.40/x
  3. Step 3: Cross multiply
    23,316.20x = 34,985.10 × 12,235.40
  4. Step 4: Simplify right side
    23,316.20x = 428,056,692.54
  5. Step 5: Solve for x
    x = 428,056,692.54/23,316.20
  6. Step 6: Final answer
    x = 18,358.77

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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.