Home / 23,986.80-33,103.20-13,376.16

Finding the Fourth Proportional to 23,986.80, 33,103.20 and 13,376.16

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Solution

The fourth proportional to 23,986.80, 33,103.20 and 13,376.16 is: 18,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.80 : 33,103.20 = 13,376.16 : x
  2. Step 2: Convert to fraction form
    23,986.80/33,103.20 = 13,376.16/x
  3. Step 3: Cross multiply
    23,986.80x = 33,103.20 × 13,376.16
  4. Step 4: Simplify right side
    23,986.80x = 442,793,699.71
  5. Step 5: Solve for x
    x = 442,793,699.71/23,986.80
  6. Step 6: Final answer
    x = 18,459.89

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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.