Home / 12,320.27-18,483.32-4,000.27

Finding the Fourth Proportional to 12,320.27, 18,483.32 and 4,000.27

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Solution

The fourth proportional to 12,320.27, 18,483.32 and 4,000.27 is: 6,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.27 : 18,483.32 = 4,000.27 : x
  2. Step 2: Convert to fraction form
    12,320.27/18,483.32 = 4,000.27/x
  3. Step 3: Cross multiply
    12,320.27x = 18,483.32 × 4,000.27
  4. Step 4: Simplify right side
    12,320.27x = 73,938,270.50
  5. Step 5: Solve for x
    x = 73,938,270.50/12,320.27
  6. Step 6: Final answer
    x = 6,001.35

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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.