Home / 17,771.58-26,657.36-5,291.78

Finding the Fourth Proportional to 17,771.58, 26,657.36 and 5,291.78

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Solution

The fourth proportional to 17,771.58, 26,657.36 and 5,291.78 is: 7,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.58 : 26,657.36 = 5,291.78 : x
  2. Step 2: Convert to fraction form
    17,771.58/26,657.36 = 5,291.78/x
  3. Step 3: Cross multiply
    17,771.58x = 26,657.36 × 5,291.78
  4. Step 4: Simplify right side
    17,771.58x = 141,064,884.50
  5. Step 5: Solve for x
    x = 141,064,884.50/17,771.58
  6. Step 6: Final answer
    x = 7,937.67

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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.