Home / 17,638.76-26,460.62-5,159.72

Finding the Fourth Proportional to 17,638.76, 26,460.62 and 5,159.72

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Solution

The fourth proportional to 17,638.76, 26,460.62 and 5,159.72 is: 7,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.76 : 26,460.62 = 5,159.72 : x
  2. Step 2: Convert to fraction form
    17,638.76/26,460.62 = 5,159.72/x
  3. Step 3: Cross multiply
    17,638.76x = 26,460.62 × 5,159.72
  4. Step 4: Simplify right side
    17,638.76x = 136,529,232.12
  5. Step 5: Solve for x
    x = 136,529,232.12/17,638.76
  6. Step 6: Final answer
    x = 7,740.30

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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.