Home / 13,586.16-18,752.82-8,805.94

Finding the Fourth Proportional to 13,586.16, 18,752.82 and 8,805.94

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Solution

The fourth proportional to 13,586.16, 18,752.82 and 8,805.94 is: 12,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.16 : 18,752.82 = 8,805.94 : x
  2. Step 2: Convert to fraction form
    13,586.16/18,752.82 = 8,805.94/x
  3. Step 3: Cross multiply
    13,586.16x = 18,752.82 × 8,805.94
  4. Step 4: Simplify right side
    13,586.16x = 165,136,207.75
  5. Step 5: Solve for x
    x = 165,136,207.75/13,586.16
  6. Step 6: Final answer
    x = 12,154.74

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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.