Home / 16,870.89-25,289.40-5,769.99

Finding the Fourth Proportional to 16,870.89, 25,289.40 and 5,769.99

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Solution

The fourth proportional to 16,870.89, 25,289.40 and 5,769.99 is: 8,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.89 : 25,289.40 = 5,769.99 : x
  2. Step 2: Convert to fraction form
    16,870.89/25,289.40 = 5,769.99/x
  3. Step 3: Cross multiply
    16,870.89x = 25,289.40 × 5,769.99
  4. Step 4: Simplify right side
    16,870.89x = 145,919,585.11
  5. Step 5: Solve for x
    x = 145,919,585.11/16,870.89
  6. Step 6: Final answer
    x = 8,649.19

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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.