Home / 16,899.64-25,350.90-5,215.48

Finding the Fourth Proportional to 16,899.64, 25,350.90 and 5,215.48

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Solution

The fourth proportional to 16,899.64, 25,350.90 and 5,215.48 is: 7,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.64 : 25,350.90 = 5,215.48 : x
  2. Step 2: Convert to fraction form
    16,899.64/25,350.90 = 5,215.48/x
  3. Step 3: Cross multiply
    16,899.64x = 25,350.90 × 5,215.48
  4. Step 4: Simplify right side
    16,899.64x = 132,217,111.93
  5. Step 5: Solve for x
    x = 132,217,111.93/16,899.64
  6. Step 6: Final answer
    x = 7,823.66

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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.