Home / 18,510.04-27,759.30-5,363.32

Finding the Fourth Proportional to 18,510.04, 27,759.30 and 5,363.32

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Solution

The fourth proportional to 18,510.04, 27,759.30 and 5,363.32 is: 8,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.04 : 27,759.30 = 5,363.32 : x
  2. Step 2: Convert to fraction form
    18,510.04/27,759.30 = 5,363.32/x
  3. Step 3: Cross multiply
    18,510.04x = 27,759.30 × 5,363.32
  4. Step 4: Simplify right side
    18,510.04x = 148,882,008.88
  5. Step 5: Solve for x
    x = 148,882,008.88/18,510.04
  6. Step 6: Final answer
    x = 8,043.31

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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.