Home / 22,246.45-30,699.81-12,686.02

Finding the Fourth Proportional to 22,246.45, 30,699.81 and 12,686.02

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Solution

The fourth proportional to 22,246.45, 30,699.81 and 12,686.02 is: 17,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.45 : 30,699.81 = 12,686.02 : x
  2. Step 2: Convert to fraction form
    22,246.45/30,699.81 = 12,686.02/x
  3. Step 3: Cross multiply
    22,246.45x = 30,699.81 × 12,686.02
  4. Step 4: Simplify right side
    22,246.45x = 389,458,403.66
  5. Step 5: Solve for x
    x = 389,458,403.66/22,246.45
  6. Step 6: Final answer
    x = 17,506.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.