Home / 16,853.81-25,283.69-5,757.90

Finding the Fourth Proportional to 16,853.81, 25,283.69 and 5,757.90

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Solution

The fourth proportional to 16,853.81, 25,283.69 and 5,757.90 is: 8,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.81 : 25,283.69 = 5,757.90 : x
  2. Step 2: Convert to fraction form
    16,853.81/25,283.69 = 5,757.90/x
  3. Step 3: Cross multiply
    16,853.81x = 25,283.69 × 5,757.90
  4. Step 4: Simplify right side
    16,853.81x = 145,580,929.86
  5. Step 5: Solve for x
    x = 145,580,929.86/16,853.81
  6. Step 6: Final answer
    x = 8,637.87

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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.