Home / 12,543.30-18,817.38-6,298.20

Finding the Fourth Proportional to 12,543.30, 18,817.38 and 6,298.20

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Solution

The fourth proportional to 12,543.30, 18,817.38 and 6,298.20 is: 9,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.30 : 18,817.38 = 6,298.20 : x
  2. Step 2: Convert to fraction form
    12,543.30/18,817.38 = 6,298.20/x
  3. Step 3: Cross multiply
    12,543.30x = 18,817.38 × 6,298.20
  4. Step 4: Simplify right side
    12,543.30x = 118,515,622.72
  5. Step 5: Solve for x
    x = 118,515,622.72/12,543.30
  6. Step 6: Final answer
    x = 9,448.52

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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.