Home / 12,338.96-18,497.24-6,408.91

Finding the Fourth Proportional to 12,338.96, 18,497.24 and 6,408.91

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Solution

The fourth proportional to 12,338.96, 18,497.24 and 6,408.91 is: 9,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.96 : 18,497.24 = 6,408.91 : x
  2. Step 2: Convert to fraction form
    12,338.96/18,497.24 = 6,408.91/x
  3. Step 3: Cross multiply
    12,338.96x = 18,497.24 × 6,408.91
  4. Step 4: Simplify right side
    12,338.96x = 118,547,192.65
  5. Step 5: Solve for x
    x = 118,547,192.65/12,338.96
  6. Step 6: Final answer
    x = 9,607.55

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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.