Home / 14,885.20-22,300.80-11,785.60

Finding the Fourth Proportional to 14,885.20, 22,300.80 and 11,785.60

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Solution

The fourth proportional to 14,885.20, 22,300.80 and 11,785.60 is: 17,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.20 : 22,300.80 = 11,785.60 : x
  2. Step 2: Convert to fraction form
    14,885.20/22,300.80 = 11,785.60/x
  3. Step 3: Cross multiply
    14,885.20x = 22,300.80 × 11,785.60
  4. Step 4: Simplify right side
    14,885.20x = 262,828,308.48
  5. Step 5: Solve for x
    x = 262,828,308.48/14,885.20
  6. Step 6: Final answer
    x = 17,657.02

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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.