Home / 26,113.80-39,177.48-11,319.30

Finding the Fourth Proportional to 26,113.80, 39,177.48 and 11,319.30

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Solution

The fourth proportional to 26,113.80, 39,177.48 and 11,319.30 is: 16,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.80 : 39,177.48 = 11,319.30 : x
  2. Step 2: Convert to fraction form
    26,113.80/39,177.48 = 11,319.30/x
  3. Step 3: Cross multiply
    26,113.80x = 39,177.48 × 11,319.30
  4. Step 4: Simplify right side
    26,113.80x = 443,461,649.36
  5. Step 5: Solve for x
    x = 443,461,649.36/26,113.80
  6. Step 6: Final answer
    x = 16,981.89

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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.