Home / 17,761.48-26,646.78-5,281.64

Finding the Fourth Proportional to 17,761.48, 26,646.78 and 5,281.64

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Solution

The fourth proportional to 17,761.48, 26,646.78 and 5,281.64 is: 7,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.48 : 26,646.78 = 5,281.64 : x
  2. Step 2: Convert to fraction form
    17,761.48/26,646.78 = 5,281.64/x
  3. Step 3: Cross multiply
    17,761.48x = 26,646.78 × 5,281.64
  4. Step 4: Simplify right side
    17,761.48x = 140,738,699.12
  5. Step 5: Solve for x
    x = 140,738,699.12/17,761.48
  6. Step 6: Final answer
    x = 7,923.82

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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.