Home / 24,319.78-33,561.34-13,709.39

Finding the Fourth Proportional to 24,319.78, 33,561.34 and 13,709.39

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Solution

The fourth proportional to 24,319.78, 33,561.34 and 13,709.39 is: 18,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,319.78 : 33,561.34 = 13,709.39 : x
  2. Step 2: Convert to fraction form
    24,319.78/33,561.34 = 13,709.39/x
  3. Step 3: Cross multiply
    24,319.78x = 33,561.34 × 13,709.39
  4. Step 4: Simplify right side
    24,319.78x = 460,105,296.90
  5. Step 5: Solve for x
    x = 460,105,296.90/24,319.78
  6. Step 6: Final answer
    x = 18,918.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.