Home / 14,515.65-20,031.03-8,227.89

Finding the Fourth Proportional to 14,515.65, 20,031.03 and 8,227.89

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Solution

The fourth proportional to 14,515.65, 20,031.03 and 8,227.89 is: 11,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.65 : 20,031.03 = 8,227.89 : x
  2. Step 2: Convert to fraction form
    14,515.65/20,031.03 = 8,227.89/x
  3. Step 3: Cross multiply
    14,515.65x = 20,031.03 × 8,227.89
  4. Step 4: Simplify right side
    14,515.65x = 164,813,111.43
  5. Step 5: Solve for x
    x = 164,813,111.43/14,515.65
  6. Step 6: Final answer
    x = 11,354.17

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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.