Home / 18,477.04-27,705.82-12,635.32

Finding the Fourth Proportional to 18,477.04, 27,705.82 and 12,635.32

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Solution

The fourth proportional to 18,477.04, 27,705.82 and 12,635.32 is: 18,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.04 : 27,705.82 = 12,635.32 : x
  2. Step 2: Convert to fraction form
    18,477.04/27,705.82 = 12,635.32/x
  3. Step 3: Cross multiply
    18,477.04x = 27,705.82 × 12,635.32
  4. Step 4: Simplify right side
    18,477.04x = 350,071,901.56
  5. Step 5: Solve for x
    x = 350,071,901.56/18,477.04
  6. Step 6: Final answer
    x = 18,946.32

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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.