Home / 17,026.40-23,507.42-10,979.35

Finding the Fourth Proportional to 17,026.40, 23,507.42 and 10,979.35

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Solution

The fourth proportional to 17,026.40, 23,507.42 and 10,979.35 is: 15,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,026.40 : 23,507.42 = 10,979.35 : x
  2. Step 2: Convert to fraction form
    17,026.40/23,507.42 = 10,979.35/x
  3. Step 3: Cross multiply
    17,026.40x = 23,507.42 × 10,979.35
  4. Step 4: Simplify right side
    17,026.40x = 258,096,078.11
  5. Step 5: Solve for x
    x = 258,096,078.11/17,026.40
  6. Step 6: Final answer
    x = 15,158.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.