Home / 18,623.04-27,937.20-5,476.32

Finding the Fourth Proportional to 18,623.04, 27,937.20 and 5,476.32

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Solution

The fourth proportional to 18,623.04, 27,937.20 and 5,476.32 is: 8,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.04 : 27,937.20 = 5,476.32 : x
  2. Step 2: Convert to fraction form
    18,623.04/27,937.20 = 5,476.32/x
  3. Step 3: Cross multiply
    18,623.04x = 27,937.20 × 5,476.32
  4. Step 4: Simplify right side
    18,623.04x = 152,993,047.10
  5. Step 5: Solve for x
    x = 152,993,047.10/18,623.04
  6. Step 6: Final answer
    x = 8,215.26

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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.