Home / 12,543.30-18,817.35-6,304.68

Finding the Fourth Proportional to 12,543.30, 18,817.35 and 6,304.68

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Solution

The fourth proportional to 12,543.30, 18,817.35 and 6,304.68 is: 9,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.30 : 18,817.35 = 6,304.68 : x
  2. Step 2: Convert to fraction form
    12,543.30/18,817.35 = 6,304.68/x
  3. Step 3: Cross multiply
    12,543.30x = 18,817.35 × 6,304.68
  4. Step 4: Simplify right side
    12,543.30x = 118,637,370.20
  5. Step 5: Solve for x
    x = 118,637,370.20/12,543.30
  6. Step 6: Final answer
    x = 9,458.23

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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.