Home / 18,228.81-27,343.22-10,432.16

Finding the Fourth Proportional to 18,228.81, 27,343.22 and 10,432.16

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Solution

The fourth proportional to 18,228.81, 27,343.22 and 10,432.16 is: 15,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.81 : 27,343.22 = 10,432.16 : x
  2. Step 2: Convert to fraction form
    18,228.81/27,343.22 = 10,432.16/x
  3. Step 3: Cross multiply
    18,228.81x = 27,343.22 × 10,432.16
  4. Step 4: Simplify right side
    18,228.81x = 285,248,657.08
  5. Step 5: Solve for x
    x = 285,248,657.08/18,228.81
  6. Step 6: Final answer
    x = 15,648.23

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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.