Home / 13,206.06-19,795.76-8,279.16

Finding the Fourth Proportional to 13,206.06, 19,795.76 and 8,279.16

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Solution

The fourth proportional to 13,206.06, 19,795.76 and 8,279.16 is: 12,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.06 : 19,795.76 = 8,279.16 : x
  2. Step 2: Convert to fraction form
    13,206.06/19,795.76 = 8,279.16/x
  3. Step 3: Cross multiply
    13,206.06x = 19,795.76 × 8,279.16
  4. Step 4: Simplify right side
    13,206.06x = 163,892,264.36
  5. Step 5: Solve for x
    x = 163,892,264.36/13,206.06
  6. Step 6: Final answer
    x = 12,410.38

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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.