Home / 14,168.82-19,552.68-7,880.79

Finding the Fourth Proportional to 14,168.82, 19,552.68 and 7,880.79

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Solution

The fourth proportional to 14,168.82, 19,552.68 and 7,880.79 is: 10,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.82 : 19,552.68 = 7,880.79 : x
  2. Step 2: Convert to fraction form
    14,168.82/19,552.68 = 7,880.79/x
  3. Step 3: Cross multiply
    14,168.82x = 19,552.68 × 7,880.79
  4. Step 4: Simplify right side
    14,168.82x = 154,090,565.02
  5. Step 5: Solve for x
    x = 154,090,565.02/14,168.82
  6. Step 6: Final answer
    x = 10,875.33

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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.