Home / 16,666.87-25,000.32-6,806.15

Finding the Fourth Proportional to 16,666.87, 25,000.32 and 6,806.15

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Solution

The fourth proportional to 16,666.87, 25,000.32 and 6,806.15 is: 10,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.87 : 25,000.32 = 6,806.15 : x
  2. Step 2: Convert to fraction form
    16,666.87/25,000.32 = 6,806.15/x
  3. Step 3: Cross multiply
    16,666.87x = 25,000.32 × 6,806.15
  4. Step 4: Simplify right side
    16,666.87x = 170,155,828.49
  5. Step 5: Solve for x
    x = 170,155,828.49/16,666.87
  6. Step 6: Final answer
    x = 10,209.23

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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.