Home / 17,385.03-26,081.19-8,618.81

Finding the Fourth Proportional to 17,385.03, 26,081.19 and 8,618.81

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Solution

The fourth proportional to 17,385.03, 26,081.19 and 8,618.81 is: 12,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.03 : 26,081.19 = 8,618.81 : x
  2. Step 2: Convert to fraction form
    17,385.03/26,081.19 = 8,618.81/x
  3. Step 3: Cross multiply
    17,385.03x = 26,081.19 × 8,618.81
  4. Step 4: Simplify right side
    17,385.03x = 224,788,690.78
  5. Step 5: Solve for x
    x = 224,788,690.78/17,385.03
  6. Step 6: Final answer
    x = 12,930.01

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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.