Home / 23,165.96-31,969.08-12,555.59

Finding the Fourth Proportional to 23,165.96, 31,969.08 and 12,555.59

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Solution

The fourth proportional to 23,165.96, 31,969.08 and 12,555.59 is: 17,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.96 : 31,969.08 = 12,555.59 : x
  2. Step 2: Convert to fraction form
    23,165.96/31,969.08 = 12,555.59/x
  3. Step 3: Cross multiply
    23,165.96x = 31,969.08 × 12,555.59
  4. Step 4: Simplify right side
    23,165.96x = 401,390,661.16
  5. Step 5: Solve for x
    x = 401,390,661.16/23,165.96
  6. Step 6: Final answer
    x = 17,326.74

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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.