Home / 17,965.60-26,890.80-9,625.12

Finding the Fourth Proportional to 17,965.60, 26,890.80 and 9,625.12

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Solution

The fourth proportional to 17,965.60, 26,890.80 and 9,625.12 is: 14,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.60 : 26,890.80 = 9,625.12 : x
  2. Step 2: Convert to fraction form
    17,965.60/26,890.80 = 9,625.12/x
  3. Step 3: Cross multiply
    17,965.60x = 26,890.80 × 9,625.12
  4. Step 4: Simplify right side
    17,965.60x = 258,827,176.90
  5. Step 5: Solve for x
    x = 258,827,176.90/17,965.60
  6. Step 6: Final answer
    x = 14,406.82

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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.