Home / 9,192.08-12,683.08-5,412.62

Finding the Fourth Proportional to 9,192.08, 12,683.08 and 5,412.62

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Solution

The fourth proportional to 9,192.08, 12,683.08 and 5,412.62 is: 7,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.08 : 12,683.08 = 5,412.62 : x
  2. Step 2: Convert to fraction form
    9,192.08/12,683.08 = 5,412.62/x
  3. Step 3: Cross multiply
    9,192.08x = 12,683.08 × 5,412.62
  4. Step 4: Simplify right side
    9,192.08x = 68,648,730.94
  5. Step 5: Solve for x
    x = 68,648,730.94/9,192.08
  6. Step 6: Final answer
    x = 7,468.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.