Home / 10,678.84-16,018.54-2,887.62

Finding the Fourth Proportional to 10,678.84, 16,018.54 and 2,887.62

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Solution

The fourth proportional to 10,678.84, 16,018.54 and 2,887.62 is: 4,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.84 : 16,018.54 = 2,887.62 : x
  2. Step 2: Convert to fraction form
    10,678.84/16,018.54 = 2,887.62/x
  3. Step 3: Cross multiply
    10,678.84x = 16,018.54 × 2,887.62
  4. Step 4: Simplify right side
    10,678.84x = 46,255,456.47
  5. Step 5: Solve for x
    x = 46,255,456.47/10,678.84
  6. Step 6: Final answer
    x = 4,331.51

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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.