Home / 18,657.02-27,988.27-5,507.68

Finding the Fourth Proportional to 18,657.02, 27,988.27 and 5,507.68

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Solution

The fourth proportional to 18,657.02, 27,988.27 and 5,507.68 is: 8,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.02 : 27,988.27 = 5,507.68 : x
  2. Step 2: Convert to fraction form
    18,657.02/27,988.27 = 5,507.68/x
  3. Step 3: Cross multiply
    18,657.02x = 27,988.27 × 5,507.68
  4. Step 4: Simplify right side
    18,657.02x = 154,150,434.91
  5. Step 5: Solve for x
    x = 154,150,434.91/18,657.02
  6. Step 6: Final answer
    x = 8,262.33

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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.