Home / 11,949.04-17,914.74-8,045.20

Finding the Fourth Proportional to 11,949.04, 17,914.74 and 8,045.20

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Solution

The fourth proportional to 11,949.04, 17,914.74 and 8,045.20 is: 12,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.04 : 17,914.74 = 8,045.20 : x
  2. Step 2: Convert to fraction form
    11,949.04/17,914.74 = 8,045.20/x
  3. Step 3: Cross multiply
    11,949.04x = 17,914.74 × 8,045.20
  4. Step 4: Simplify right side
    11,949.04x = 144,127,666.25
  5. Step 5: Solve for x
    x = 144,127,666.25/11,949.04
  6. Step 6: Final answer
    x = 12,061.86

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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.