Home / 18,767.23-28,173.02-7,682.18

Finding the Fourth Proportional to 18,767.23, 28,173.02 and 7,682.18

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Solution

The fourth proportional to 18,767.23, 28,173.02 and 7,682.18 is: 11,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.23 : 28,173.02 = 7,682.18 : x
  2. Step 2: Convert to fraction form
    18,767.23/28,173.02 = 7,682.18/x
  3. Step 3: Cross multiply
    18,767.23x = 28,173.02 × 7,682.18
  4. Step 4: Simplify right side
    18,767.23x = 216,430,031.51
  5. Step 5: Solve for x
    x = 216,430,031.51/18,767.23
  6. Step 6: Final answer
    x = 11,532.34

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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.