Home / 16,817.18-25,225.70-5,130.36

Finding the Fourth Proportional to 16,817.18, 25,225.70 and 5,130.36

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Solution

The fourth proportional to 16,817.18, 25,225.70 and 5,130.36 is: 7,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.18 : 25,225.70 = 5,130.36 : x
  2. Step 2: Convert to fraction form
    16,817.18/25,225.70 = 5,130.36/x
  3. Step 3: Cross multiply
    16,817.18x = 25,225.70 × 5,130.36
  4. Step 4: Simplify right side
    16,817.18x = 129,416,922.25
  5. Step 5: Solve for x
    x = 129,416,922.25/16,817.18
  6. Step 6: Final answer
    x = 7,695.52

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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.