Home / 17,445.78-26,172.72-9,130.32

Finding the Fourth Proportional to 17,445.78, 26,172.72 and 9,130.32

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Solution

The fourth proportional to 17,445.78, 26,172.72 and 9,130.32 is: 13,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.78 : 26,172.72 = 9,130.32 : x
  2. Step 2: Convert to fraction form
    17,445.78/26,172.72 = 9,130.32/x
  3. Step 3: Cross multiply
    17,445.78x = 26,172.72 × 9,130.32
  4. Step 4: Simplify right side
    17,445.78x = 238,965,308.87
  5. Step 5: Solve for x
    x = 238,965,308.87/17,445.78
  6. Step 6: Final answer
    x = 13,697.60

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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.