Home / 18,303.12-27,443.88-5,820.84

Finding the Fourth Proportional to 18,303.12, 27,443.88 and 5,820.84

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Solution

The fourth proportional to 18,303.12, 27,443.88 and 5,820.84 is: 8,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.12 : 27,443.88 = 5,820.84 : x
  2. Step 2: Convert to fraction form
    18,303.12/27,443.88 = 5,820.84/x
  3. Step 3: Cross multiply
    18,303.12x = 27,443.88 × 5,820.84
  4. Step 4: Simplify right side
    18,303.12x = 159,746,434.46
  5. Step 5: Solve for x
    x = 159,746,434.46/18,303.12
  6. Step 6: Final answer
    x = 8,727.83

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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.