Home / 18,070.77-27,111.92-8,711.62

Finding the Fourth Proportional to 18,070.77, 27,111.92 and 8,711.62

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Solution

The fourth proportional to 18,070.77, 27,111.92 and 8,711.62 is: 13,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.77 : 27,111.92 = 8,711.62 : x
  2. Step 2: Convert to fraction form
    18,070.77/27,111.92 = 8,711.62/x
  3. Step 3: Cross multiply
    18,070.77x = 27,111.92 × 8,711.62
  4. Step 4: Simplify right side
    18,070.77x = 236,188,744.51
  5. Step 5: Solve for x
    x = 236,188,744.51/18,070.77
  6. Step 6: Final answer
    x = 13,070.21

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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.