Home / 14,455.24-21,660.18-8,608.66

Finding the Fourth Proportional to 14,455.24, 21,660.18 and 8,608.66

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Solution

The fourth proportional to 14,455.24, 21,660.18 and 8,608.66 is: 12,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.24 : 21,660.18 = 8,608.66 : x
  2. Step 2: Convert to fraction form
    14,455.24/21,660.18 = 8,608.66/x
  3. Step 3: Cross multiply
    14,455.24x = 21,660.18 × 8,608.66
  4. Step 4: Simplify right side
    14,455.24x = 186,465,125.16
  5. Step 5: Solve for x
    x = 186,465,125.16/14,455.24
  6. Step 6: Final answer
    x = 12,899.48

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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.