Home / 17,387.20-26,093.60-7,006.40

Finding the Fourth Proportional to 17,387.20, 26,093.60 and 7,006.40

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Solution

The fourth proportional to 17,387.20, 26,093.60 and 7,006.40 is: 10,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.20 : 26,093.60 = 7,006.40 : x
  2. Step 2: Convert to fraction form
    17,387.20/26,093.60 = 7,006.40/x
  3. Step 3: Cross multiply
    17,387.20x = 26,093.60 × 7,006.40
  4. Step 4: Simplify right side
    17,387.20x = 182,822,199.04
  5. Step 5: Solve for x
    x = 182,822,199.04/17,387.20
  6. Step 6: Final answer
    x = 10,514.76

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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.