Home / 12,328.76-18,500.42-4,543.04

Finding the Fourth Proportional to 12,328.76, 18,500.42 and 4,543.04

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Solution

The fourth proportional to 12,328.76, 18,500.42 and 4,543.04 is: 6,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.76 : 18,500.42 = 4,543.04 : x
  2. Step 2: Convert to fraction form
    12,328.76/18,500.42 = 4,543.04/x
  3. Step 3: Cross multiply
    12,328.76x = 18,500.42 × 4,543.04
  4. Step 4: Simplify right side
    12,328.76x = 84,048,148.08
  5. Step 5: Solve for x
    x = 84,048,148.08/12,328.76
  6. Step 6: Final answer
    x = 6,817.24

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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.