Home / 16,810.38-25,219.35-5,124.78

Finding the Fourth Proportional to 16,810.38, 25,219.35 and 5,124.78

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Solution

The fourth proportional to 16,810.38, 25,219.35 and 5,124.78 is: 7,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.38 : 25,219.35 = 5,124.78 : x
  2. Step 2: Convert to fraction form
    16,810.38/25,219.35 = 5,124.78/x
  3. Step 3: Cross multiply
    16,810.38x = 25,219.35 × 5,124.78
  4. Step 4: Simplify right side
    16,810.38x = 129,243,620.49
  5. Step 5: Solve for x
    x = 129,243,620.49/16,810.38
  6. Step 6: Final answer
    x = 7,688.32

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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.