Home / 12,101.08-18,156.30-4,706.20

Finding the Fourth Proportional to 12,101.08, 18,156.30 and 4,706.20

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Solution

The fourth proportional to 12,101.08, 18,156.30 and 4,706.20 is: 7,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.08 : 18,156.30 = 4,706.20 : x
  2. Step 2: Convert to fraction form
    12,101.08/18,156.30 = 4,706.20/x
  3. Step 3: Cross multiply
    12,101.08x = 18,156.30 × 4,706.20
  4. Step 4: Simplify right side
    12,101.08x = 85,447,179.06
  5. Step 5: Solve for x
    x = 85,447,179.06/12,101.08
  6. Step 6: Final answer
    x = 7,061.12

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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.