Home / 16,810.88-25,219.52-5,125.76

Finding the Fourth Proportional to 16,810.88, 25,219.52 and 5,125.76

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Solution

The fourth proportional to 16,810.88, 25,219.52 and 5,125.76 is: 7,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.88 : 25,219.52 = 5,125.76 : x
  2. Step 2: Convert to fraction form
    16,810.88/25,219.52 = 5,125.76/x
  3. Step 3: Cross multiply
    16,810.88x = 25,219.52 × 5,125.76
  4. Step 4: Simplify right side
    16,810.88x = 129,269,206.84
  5. Step 5: Solve for x
    x = 129,269,206.84/16,810.88
  6. Step 6: Final answer
    x = 7,689.62

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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.