Home / 16,999.48-25,499.22-5,312.80

Finding the Fourth Proportional to 16,999.48, 25,499.22 and 5,312.80

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Solution

The fourth proportional to 16,999.48, 25,499.22 and 5,312.80 is: 7,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.48 : 25,499.22 = 5,312.80 : x
  2. Step 2: Convert to fraction form
    16,999.48/25,499.22 = 5,312.80/x
  3. Step 3: Cross multiply
    16,999.48x = 25,499.22 × 5,312.80
  4. Step 4: Simplify right side
    16,999.48x = 135,472,256.02
  5. Step 5: Solve for x
    x = 135,472,256.02/16,999.48
  6. Step 6: Final answer
    x = 7,969.20

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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.