Home / 17,435.86-26,145.59-9,119.79

Finding the Fourth Proportional to 17,435.86, 26,145.59 and 9,119.79

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Solution

The fourth proportional to 17,435.86, 26,145.59 and 9,119.79 is: 13,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,435.86 : 26,145.59 = 9,119.79 : x
  2. Step 2: Convert to fraction form
    17,435.86/26,145.59 = 9,119.79/x
  3. Step 3: Cross multiply
    17,435.86x = 26,145.59 × 9,119.79
  4. Step 4: Simplify right side
    17,435.86x = 238,442,244.63
  5. Step 5: Solve for x
    x = 238,442,244.63/17,435.86
  6. Step 6: Final answer
    x = 13,675.40

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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.