Home / 14,627.19-20,180.30-8,959.89

Finding the Fourth Proportional to 14,627.19, 20,180.30 and 8,959.89

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Solution

The fourth proportional to 14,627.19, 20,180.30 and 8,959.89 is: 12,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.19 : 20,180.30 = 8,959.89 : x
  2. Step 2: Convert to fraction form
    14,627.19/20,180.30 = 8,959.89/x
  3. Step 3: Cross multiply
    14,627.19x = 20,180.30 × 8,959.89
  4. Step 4: Simplify right side
    14,627.19x = 180,813,223.37
  5. Step 5: Solve for x
    x = 180,813,223.37/14,627.19
  6. Step 6: Final answer
    x = 12,361.45

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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.