Home / 18,822.24-28,236-5,673.12

Finding the Fourth Proportional to 18,822.24, 28,236 and 5,673.12

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Solution

The fourth proportional to 18,822.24, 28,236 and 5,673.12 is: 8,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.24 : 28,236 = 5,673.12 : x
  2. Step 2: Convert to fraction form
    18,822.24/28,236 = 5,673.12/x
  3. Step 3: Cross multiply
    18,822.24x = 28,236 × 5,673.12
  4. Step 4: Simplify right side
    18,822.24x = 160,186,216.32
  5. Step 5: Solve for x
    x = 160,186,216.32/18,822.24
  6. Step 6: Final answer
    x = 8,510.48

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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.