Home / 12,338.86-18,501.62-6,401.03

Finding the Fourth Proportional to 12,338.86, 18,501.62 and 6,401.03

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Solution

The fourth proportional to 12,338.86, 18,501.62 and 6,401.03 is: 9,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.86 : 18,501.62 = 6,401.03 : x
  2. Step 2: Convert to fraction form
    12,338.86/18,501.62 = 6,401.03/x
  3. Step 3: Cross multiply
    12,338.86x = 18,501.62 × 6,401.03
  4. Step 4: Simplify right side
    12,338.86x = 118,429,424.67
  5. Step 5: Solve for x
    x = 118,429,424.67/12,338.86
  6. Step 6: Final answer
    x = 9,598.08

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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.