Home / 18,011.32-26,998.62-6,915.16

Finding the Fourth Proportional to 18,011.32, 26,998.62 and 6,915.16

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Solution

The fourth proportional to 18,011.32, 26,998.62 and 6,915.16 is: 10,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.32 : 26,998.62 = 6,915.16 : x
  2. Step 2: Convert to fraction form
    18,011.32/26,998.62 = 6,915.16/x
  3. Step 3: Cross multiply
    18,011.32x = 26,998.62 × 6,915.16
  4. Step 4: Simplify right side
    18,011.32x = 186,699,777.08
  5. Step 5: Solve for x
    x = 186,699,777.08/18,011.32
  6. Step 6: Final answer
    x = 10,365.69

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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.