Home / 12,206.96-18,317.96-4,810.16

Finding the Fourth Proportional to 12,206.96, 18,317.96 and 4,810.16

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Solution

The fourth proportional to 12,206.96, 18,317.96 and 4,810.16 is: 7,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.96 : 18,317.96 = 4,810.16 : x
  2. Step 2: Convert to fraction form
    12,206.96/18,317.96 = 4,810.16/x
  3. Step 3: Cross multiply
    12,206.96x = 18,317.96 × 4,810.16
  4. Step 4: Simplify right side
    12,206.96x = 88,112,318.47
  5. Step 5: Solve for x
    x = 88,112,318.47/12,206.96
  6. Step 6: Final answer
    x = 7,218.20

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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.