Home / 14,650.17-20,215.83-8,986.65

Finding the Fourth Proportional to 14,650.17, 20,215.83 and 8,986.65

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Solution

The fourth proportional to 14,650.17, 20,215.83 and 8,986.65 is: 12,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.17 : 20,215.83 = 8,986.65 : x
  2. Step 2: Convert to fraction form
    14,650.17/20,215.83 = 8,986.65/x
  3. Step 3: Cross multiply
    14,650.17x = 20,215.83 × 8,986.65
  4. Step 4: Simplify right side
    14,650.17x = 181,672,588.67
  5. Step 5: Solve for x
    x = 181,672,588.67/14,650.17
  6. Step 6: Final answer
    x = 12,400.72

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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.