Home / 14,185.85-21,271.65-8,264.69

Finding the Fourth Proportional to 14,185.85, 21,271.65 and 8,264.69

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Solution

The fourth proportional to 14,185.85, 21,271.65 and 8,264.69 is: 12,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.85 : 21,271.65 = 8,264.69 : x
  2. Step 2: Convert to fraction form
    14,185.85/21,271.65 = 8,264.69/x
  3. Step 3: Cross multiply
    14,185.85x = 21,271.65 × 8,264.69
  4. Step 4: Simplify right side
    14,185.85x = 175,803,593.04
  5. Step 5: Solve for x
    x = 175,803,593.04/14,185.85
  6. Step 6: Final answer
    x = 12,392.88

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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.