Home / 12,214.76-18,307.56-6,669.50

Finding the Fourth Proportional to 12,214.76, 18,307.56 and 6,669.50

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Solution

The fourth proportional to 12,214.76, 18,307.56 and 6,669.50 is: 9,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.76 : 18,307.56 = 6,669.50 : x
  2. Step 2: Convert to fraction form
    12,214.76/18,307.56 = 6,669.50/x
  3. Step 3: Cross multiply
    12,214.76x = 18,307.56 × 6,669.50
  4. Step 4: Simplify right side
    12,214.76x = 122,102,271.42
  5. Step 5: Solve for x
    x = 122,102,271.42/12,214.76
  6. Step 6: Final answer
    x = 9,996.29

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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.