Home / 19,328.80-28,992.81-6,181.17

Finding the Fourth Proportional to 19,328.80, 28,992.81 and 6,181.17

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Solution

The fourth proportional to 19,328.80, 28,992.81 and 6,181.17 is: 9,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.80 : 28,992.81 = 6,181.17 : x
  2. Step 2: Convert to fraction form
    19,328.80/28,992.81 = 6,181.17/x
  3. Step 3: Cross multiply
    19,328.80x = 28,992.81 × 6,181.17
  4. Step 4: Simplify right side
    19,328.80x = 179,209,342.42
  5. Step 5: Solve for x
    x = 179,209,342.42/19,328.80
  6. Step 6: Final answer
    x = 9,271.62

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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.