Home / 16,687.08-25,038.96-7,798.68

Finding the Fourth Proportional to 16,687.08, 25,038.96 and 7,798.68

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Solution

The fourth proportional to 16,687.08, 25,038.96 and 7,798.68 is: 11,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.08 : 25,038.96 = 7,798.68 : x
  2. Step 2: Convert to fraction form
    16,687.08/25,038.96 = 7,798.68/x
  3. Step 3: Cross multiply
    16,687.08x = 25,038.96 × 7,798.68
  4. Step 4: Simplify right side
    16,687.08x = 195,270,836.57
  5. Step 5: Solve for x
    x = 195,270,836.57/16,687.08
  6. Step 6: Final answer
    x = 11,701.92

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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.