Home / 12,832.10-19,213.40-6,663.14

Finding the Fourth Proportional to 12,832.10, 19,213.40 and 6,663.14

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Solution

The fourth proportional to 12,832.10, 19,213.40 and 6,663.14 is: 9,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.10 : 19,213.40 = 6,663.14 : x
  2. Step 2: Convert to fraction form
    12,832.10/19,213.40 = 6,663.14/x
  3. Step 3: Cross multiply
    12,832.10x = 19,213.40 × 6,663.14
  4. Step 4: Simplify right side
    12,832.10x = 128,021,574.08
  5. Step 5: Solve for x
    x = 128,021,574.08/12,832.10
  6. Step 6: Final answer
    x = 9,976.67

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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.