Home / 12,816.03-19,229.18-6,240.45

Finding the Fourth Proportional to 12,816.03, 19,229.18 and 6,240.45

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Solution

The fourth proportional to 12,816.03, 19,229.18 and 6,240.45 is: 9,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.03 : 19,229.18 = 6,240.45 : x
  2. Step 2: Convert to fraction form
    12,816.03/19,229.18 = 6,240.45/x
  3. Step 3: Cross multiply
    12,816.03x = 19,229.18 × 6,240.45
  4. Step 4: Simplify right side
    12,816.03x = 119,998,705.13
  5. Step 5: Solve for x
    x = 119,998,705.13/12,816.03
  6. Step 6: Final answer
    x = 9,363.17

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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.