Home / 18,001.22-26,992.74-10,507.32

Finding the Fourth Proportional to 18,001.22, 26,992.74 and 10,507.32

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Solution

The fourth proportional to 18,001.22, 26,992.74 and 10,507.32 is: 15,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.22 : 26,992.74 = 10,507.32 : x
  2. Step 2: Convert to fraction form
    18,001.22/26,992.74 = 10,507.32/x
  3. Step 3: Cross multiply
    18,001.22x = 26,992.74 × 10,507.32
  4. Step 4: Simplify right side
    18,001.22x = 283,621,356.86
  5. Step 5: Solve for x
    x = 283,621,356.86/18,001.22
  6. Step 6: Final answer
    x = 15,755.67

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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.