Home / 18,964.17-28,440.99-5,809.23

Finding the Fourth Proportional to 18,964.17, 28,440.99 and 5,809.23

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Solution

The fourth proportional to 18,964.17, 28,440.99 and 5,809.23 is: 8,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.17 : 28,440.99 = 5,809.23 : x
  2. Step 2: Convert to fraction form
    18,964.17/28,440.99 = 5,809.23/x
  3. Step 3: Cross multiply
    18,964.17x = 28,440.99 × 5,809.23
  4. Step 4: Simplify right side
    18,964.17x = 165,220,252.34
  5. Step 5: Solve for x
    x = 165,220,252.34/18,964.17
  6. Step 6: Final answer
    x = 8,712.23

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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.