Home / 14,521.35-20,038.68-8,551.65

Finding the Fourth Proportional to 14,521.35, 20,038.68 and 8,551.65

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Solution

The fourth proportional to 14,521.35, 20,038.68 and 8,551.65 is: 11,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.35 : 20,038.68 = 8,551.65 : x
  2. Step 2: Convert to fraction form
    14,521.35/20,038.68 = 8,551.65/x
  3. Step 3: Cross multiply
    14,521.35x = 20,038.68 × 8,551.65
  4. Step 4: Simplify right side
    14,521.35x = 171,363,777.82
  5. Step 5: Solve for x
    x = 171,363,777.82/14,521.35
  6. Step 6: Final answer
    x = 11,800.82

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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.