Home / 14,526.20-21,746.10-8,679.80

Finding the Fourth Proportional to 14,526.20, 21,746.10 and 8,679.80

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Solution

The fourth proportional to 14,526.20, 21,746.10 and 8,679.80 is: 12,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.20 : 21,746.10 = 8,679.80 : x
  2. Step 2: Convert to fraction form
    14,526.20/21,746.10 = 8,679.80/x
  3. Step 3: Cross multiply
    14,526.20x = 21,746.10 × 8,679.80
  4. Step 4: Simplify right side
    14,526.20x = 188,751,798.78
  5. Step 5: Solve for x
    x = 188,751,798.78/14,526.20
  6. Step 6: Final answer
    x = 12,993.89

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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.