Home / 17,837.62-26,756.69-8,478.60

Finding the Fourth Proportional to 17,837.62, 26,756.69 and 8,478.60

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Solution

The fourth proportional to 17,837.62, 26,756.69 and 8,478.60 is: 12,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837.62 : 26,756.69 = 8,478.60 : x
  2. Step 2: Convert to fraction form
    17,837.62/26,756.69 = 8,478.60/x
  3. Step 3: Cross multiply
    17,837.62x = 26,756.69 × 8,478.60
  4. Step 4: Simplify right side
    17,837.62x = 226,859,095.66
  5. Step 5: Solve for x
    x = 226,859,095.66/17,837.62
  6. Step 6: Final answer
    x = 12,718.02

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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.