Home / 18,369.81-27,539.28-8,516.16

Finding the Fourth Proportional to 18,369.81, 27,539.28 and 8,516.16

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Solution

The fourth proportional to 18,369.81, 27,539.28 and 8,516.16 is: 12,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.81 : 27,539.28 = 8,516.16 : x
  2. Step 2: Convert to fraction form
    18,369.81/27,539.28 = 8,516.16/x
  3. Step 3: Cross multiply
    18,369.81x = 27,539.28 × 8,516.16
  4. Step 4: Simplify right side
    18,369.81x = 234,528,914.76
  5. Step 5: Solve for x
    x = 234,528,914.76/18,369.81
  6. Step 6: Final answer
    x = 12,767.08

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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.