Home / 14,102.65-21,150.60-8,166.70

Finding the Fourth Proportional to 14,102.65, 21,150.60 and 8,166.70

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Solution

The fourth proportional to 14,102.65, 21,150.60 and 8,166.70 is: 12,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.65 : 21,150.60 = 8,166.70 : x
  2. Step 2: Convert to fraction form
    14,102.65/21,150.60 = 8,166.70/x
  3. Step 3: Cross multiply
    14,102.65x = 21,150.60 × 8,166.70
  4. Step 4: Simplify right side
    14,102.65x = 172,730,605.02
  5. Step 5: Solve for x
    x = 172,730,605.02/14,102.65
  6. Step 6: Final answer
    x = 12,248.10

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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.