Home / 26,518.13-39,771.05-11,718.98

Finding the Fourth Proportional to 26,518.13, 39,771.05 and 11,718.98

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Solution

The fourth proportional to 26,518.13, 39,771.05 and 11,718.98 is: 17,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.13 : 39,771.05 = 11,718.98 : x
  2. Step 2: Convert to fraction form
    26,518.13/39,771.05 = 11,718.98/x
  3. Step 3: Cross multiply
    26,518.13x = 39,771.05 × 11,718.98
  4. Step 4: Simplify right side
    26,518.13x = 466,076,097.14
  5. Step 5: Solve for x
    x = 466,076,097.14/26,518.13
  6. Step 6: Final answer
    x = 17,575.75

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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.