Home / 16,965.79-23,412.85-9,412.27

Finding the Fourth Proportional to 16,965.79, 23,412.85 and 9,412.27

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Solution

The fourth proportional to 16,965.79, 23,412.85 and 9,412.27 is: 12,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.79 : 23,412.85 = 9,412.27 : x
  2. Step 2: Convert to fraction form
    16,965.79/23,412.85 = 9,412.27/x
  3. Step 3: Cross multiply
    16,965.79x = 23,412.85 × 9,412.27
  4. Step 4: Simplify right side
    16,965.79x = 220,368,065.67
  5. Step 5: Solve for x
    x = 220,368,065.67/16,965.79
  6. Step 6: Final answer
    x = 12,988.97

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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.