Home / 43,486.29-65,237.54-13,911.57

Finding the Fourth Proportional to 43,486.29, 65,237.54 and 13,911.57

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Solution

The fourth proportional to 43,486.29, 65,237.54 and 13,911.57 is: 20,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.29 : 65,237.54 = 13,911.57 : x
  2. Step 2: Convert to fraction form
    43,486.29/65,237.54 = 13,911.57/x
  3. Step 3: Cross multiply
    43,486.29x = 65,237.54 × 13,911.57
  4. Step 4: Simplify right side
    43,486.29x = 907,556,534.78
  5. Step 5: Solve for x
    x = 907,556,534.78/43,486.29
  6. Step 6: Final answer
    x = 20,869.95

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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.