Home / 16,586.75-22,890.46-9,781.05

Finding the Fourth Proportional to 16,586.75, 22,890.46 and 9,781.05

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Solution

The fourth proportional to 16,586.75, 22,890.46 and 9,781.05 is: 13,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,586.75 : 22,890.46 = 9,781.05 : x
  2. Step 2: Convert to fraction form
    16,586.75/22,890.46 = 9,781.05/x
  3. Step 3: Cross multiply
    16,586.75x = 22,890.46 × 9,781.05
  4. Step 4: Simplify right side
    16,586.75x = 223,892,570.43
  5. Step 5: Solve for x
    x = 223,892,570.43/16,586.75
  6. Step 6: Final answer
    x = 13,498.28

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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.