Home / 14,870.36-20,520.88-8,582.60

Finding the Fourth Proportional to 14,870.36, 20,520.88 and 8,582.60

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Solution

The fourth proportional to 14,870.36, 20,520.88 and 8,582.60 is: 11,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.36 : 20,520.88 = 8,582.60 : x
  2. Step 2: Convert to fraction form
    14,870.36/20,520.88 = 8,582.60/x
  3. Step 3: Cross multiply
    14,870.36x = 20,520.88 × 8,582.60
  4. Step 4: Simplify right side
    14,870.36x = 176,122,504.69
  5. Step 5: Solve for x
    x = 176,122,504.69/14,870.36
  6. Step 6: Final answer
    x = 11,843.86

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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.